Finding the Fourth Proportional to 132,385.88, 182,689.26 and 75,792.44
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Solution
The fourth proportional to 132,385.88, 182,689.26 and 75,792.44 is: 104,591.70
Step by Step Solution
- Step 1: Write the proportion equation
132,385.88 : 182,689.26 = 75,792.44 : x - Step 2: Convert to fraction form
132,385.88/182,689.26 = 75,792.44/x - Step 3: Cross multiply
132,385.88x = 182,689.26 × 75,792.44 - Step 4: Simplify right side
132,385.88x = 13,846,464,777.19 - Step 5: Solve for x
x = 13,846,464,777.19/132,385.88 - Step 6: Final answer
x = 104,591.70
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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.