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Finding the Fourth Proportional to 123,737.44, 185,626.68 and 40,612

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Solution

The fourth proportional to 123,737.44, 185,626.68 and 40,612 is: 60,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,737.44 : 185,626.68 = 40,612 : x
  2. Step 2: Convert to fraction form
    123,737.44/185,626.68 = 40,612/x
  3. Step 3: Cross multiply
    123,737.44x = 185,626.68 × 40,612
  4. Step 4: Simplify right side
    123,737.44x = 7,538,670,728.16
  5. Step 5: Solve for x
    x = 7,538,670,728.16/123,737.44
  6. Step 6: Final answer
    x = 60,924.73

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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.