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Finding the Fourth Proportional to 88,349.86, 132,531.27 and 25,168.78

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Solution

The fourth proportional to 88,349.86, 132,531.27 and 25,168.78 is: 37,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,349.86 : 132,531.27 = 25,168.78 : x
  2. Step 2: Convert to fraction form
    88,349.86/132,531.27 = 25,168.78/x
  3. Step 3: Cross multiply
    88,349.86x = 132,531.27 × 25,168.78
  4. Step 4: Simplify right side
    88,349.86x = 3,335,650,377.75
  5. Step 5: Solve for x
    x = 3,335,650,377.75/88,349.86
  6. Step 6: Final answer
    x = 37,755.02

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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.