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Finding the Fourth Proportional to 168,338.92, 252,508.38 and 57,531.88

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Solution

The fourth proportional to 168,338.92, 252,508.38 and 57,531.88 is: 86,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,338.92 : 252,508.38 = 57,531.88 : x
  2. Step 2: Convert to fraction form
    168,338.92/252,508.38 = 57,531.88/x
  3. Step 3: Cross multiply
    168,338.92x = 252,508.38 × 57,531.88
  4. Step 4: Simplify right side
    168,338.92x = 14,527,281,817.15
  5. Step 5: Solve for x
    x = 14,527,281,817.15/168,338.92
  6. Step 6: Final answer
    x = 86,297.82

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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.