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Finding the Fourth Proportional to 124,841.70, 187,286.85 and 36,098.10

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Solution

The fourth proportional to 124,841.70, 187,286.85 and 36,098.10 is: 54,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,841.70 : 187,286.85 = 36,098.10 : x
  2. Step 2: Convert to fraction form
    124,841.70/187,286.85 = 36,098.10/x
  3. Step 3: Cross multiply
    124,841.70x = 187,286.85 × 36,098.10
  4. Step 4: Simplify right side
    124,841.70x = 6,760,699,439.99
  5. Step 5: Solve for x
    x = 6,760,699,439.99/124,841.70
  6. Step 6: Final answer
    x = 54,154.18

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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.