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Finding the Fourth Proportional to 73,841.71, 110,757.18 and 28,854.61

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Solution

The fourth proportional to 73,841.71, 110,757.18 and 28,854.61 is: 43,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,841.71 : 110,757.18 = 28,854.61 : x
  2. Step 2: Convert to fraction form
    73,841.71/110,757.18 = 28,854.61/x
  3. Step 3: Cross multiply
    73,841.71x = 110,757.18 × 28,854.61
  4. Step 4: Simplify right side
    73,841.71x = 3,195,854,956.71
  5. Step 5: Solve for x
    x = 3,195,854,956.71/73,841.71
  6. Step 6: Final answer
    x = 43,279.81

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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.