Finding the Fourth Proportional to 132,257.73, 198,432.68 and 49,175.49
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Solution
The fourth proportional to 132,257.73, 198,432.68 and 49,175.49 is: 73,780.37
Step by Step Solution
- Step 1: Write the proportion equation
132,257.73 : 198,432.68 = 49,175.49 : x - Step 2: Convert to fraction form
132,257.73/198,432.68 = 49,175.49/x - Step 3: Cross multiply
132,257.73x = 198,432.68 × 49,175.49 - Step 4: Simplify right side
132,257.73x = 9,758,024,025.14 - Step 5: Solve for x
x = 9,758,024,025.14/132,257.73 - Step 6: Final answer
x = 73,780.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.