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Finding the Fourth Proportional to 123,550.40, 185,182.40 and 56,850.56

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Solution

The fourth proportional to 123,550.40, 185,182.40 and 56,850.56 is: 85,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,550.40 : 185,182.40 = 56,850.56 : x
  2. Step 2: Convert to fraction form
    123,550.40/185,182.40 = 56,850.56/x
  3. Step 3: Cross multiply
    123,550.40x = 185,182.40 × 56,850.56
  4. Step 4: Simplify right side
    123,550.40x = 10,527,723,142.14
  5. Step 5: Solve for x
    x = 10,527,723,142.14/123,550.40
  6. Step 6: Final answer
    x = 85,209.95

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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.