Multiplication Squares (Tricky)

For each of the squares below, fill in the boxes so that the first two numbers in each column and row multiplied together equal the third number.

2 4 4 48	3 9 8 12
2 12 5 6	2 3 2 30
15 3 3 9	4 5 5 80
3 5 9 10	4 5 25 100