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Finding the Fourth Proportional to 87,894.56, 131,841.88 and 24,721.40

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Solution

The fourth proportional to 87,894.56, 131,841.88 and 24,721.40 is: 37,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,894.56 : 131,841.88 = 24,721.40 : x
  2. Step 2: Convert to fraction form
    87,894.56/131,841.88 = 24,721.40/x
  3. Step 3: Cross multiply
    87,894.56x = 131,841.88 × 24,721.40
  4. Step 4: Simplify right side
    87,894.56x = 3,259,316,120.03
  5. Step 5: Solve for x
    x = 3,259,316,120.03/87,894.56
  6. Step 6: Final answer
    x = 37,082.11

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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.