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Finding the Fourth Proportional to 123,860.34, 185,742.96 and 52,737.89

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Solution

The fourth proportional to 123,860.34, 185,742.96 and 52,737.89 is: 79,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,860.34 : 185,742.96 = 52,737.89 : x
  2. Step 2: Convert to fraction form
    123,860.34/185,742.96 = 52,737.89/x
  3. Step 3: Cross multiply
    123,860.34x = 185,742.96 × 52,737.89
  4. Step 4: Simplify right side
    123,860.34x = 9,795,690,864.04
  5. Step 5: Solve for x
    x = 9,795,690,864.04/123,860.34
  6. Step 6: Final answer
    x = 79,086.58

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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.