Finding the Fourth Proportional to 132,772.85, 183,224.22 and 72,343.99
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Solution
The fourth proportional to 132,772.85, 183,224.22 and 72,343.99 is: 99,833.45
Step by Step Solution
- Step 1: Write the proportion equation
132,772.85 : 183,224.22 = 72,343.99 : x - Step 2: Convert to fraction form
132,772.85/183,224.22 = 72,343.99/x - Step 3: Cross multiply
132,772.85x = 183,224.22 × 72,343.99 - Step 4: Simplify right side
132,772.85x = 13,255,171,139.44 - Step 5: Solve for x
x = 13,255,171,139.44/132,772.85 - Step 6: Final answer
x = 99,833.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.