I have a table in Oracle with multiple rows per a given part. Each row has a quantity and a price associated with it. There is also a total quantity that the set of rows for a given part adds up to. Below is a sample of the data. What I need is to get the average weighted price for the part. For example if a quantity of 100 of a part has a price of 1 and a quantity of 50 has a price of 2 the weighted average price is 1.33333333

PART   TOTAL_QTY  QTY   PRICE_PER
----------------------------------
part1  317        244   27
part1  317        40    53.85
part1  317        33    24.15

Ideas?

sql oracle-database
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