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Finding the Fourth Proportional to 87,411.88, 131,007.84 and 37,432.90

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Solution

The fourth proportional to 87,411.88, 131,007.84 and 37,432.90 is: 56,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,411.88 : 131,007.84 = 37,432.90 : x
  2. Step 2: Convert to fraction form
    87,411.88/131,007.84 = 37,432.90/x
  3. Step 3: Cross multiply
    87,411.88x = 131,007.84 × 37,432.90
  4. Step 4: Simplify right side
    87,411.88x = 4,904,003,373.94
  5. Step 5: Solve for x
    x = 4,904,003,373.94/87,411.88
  6. Step 6: Final answer
    x = 56,102.25

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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.