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Finding the Fourth Proportional to 123,658.70, 185,493.45 and 40,552.70

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Solution

The fourth proportional to 123,658.70, 185,493.45 and 40,552.70 is: 60,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,658.70 : 185,493.45 = 40,552.70 : x
  2. Step 2: Convert to fraction form
    123,658.70/185,493.45 = 40,552.70/x
  3. Step 3: Cross multiply
    123,658.70x = 185,493.45 × 40,552.70
  4. Step 4: Simplify right side
    123,658.70x = 7,522,260,229.82
  5. Step 5: Solve for x
    x = 7,522,260,229.82/123,658.70
  6. Step 6: Final answer
    x = 60,830.82

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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.