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Finding the Fourth Proportional to 124,956.80, 187,444.92 and 36,211.58

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Solution

The fourth proportional to 124,956.80, 187,444.92 and 36,211.58 is: 54,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,956.80 : 187,444.92 = 36,211.58 : x
  2. Step 2: Convert to fraction form
    124,956.80/187,444.92 = 36,211.58/x
  3. Step 3: Cross multiply
    124,956.80x = 187,444.92 × 36,211.58
  4. Step 4: Simplify right side
    124,956.80x = 6,787,676,716.17
  5. Step 5: Solve for x
    x = 6,787,676,716.17/124,956.80
  6. Step 6: Final answer
    x = 54,320.19

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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.