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Finding the Fourth Proportional to 123,470.88, 185,079.18 and 48,560.65

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Solution

The fourth proportional to 123,470.88, 185,079.18 and 48,560.65 is: 72,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,470.88 : 185,079.18 = 48,560.65 : x
  2. Step 2: Convert to fraction form
    123,470.88/185,079.18 = 48,560.65/x
  3. Step 3: Cross multiply
    123,470.88x = 185,079.18 × 48,560.65
  4. Step 4: Simplify right side
    123,470.88x = 8,987,565,282.27
  5. Step 5: Solve for x
    x = 8,987,565,282.27/123,470.88
  6. Step 6: Final answer
    x = 72,790.97

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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.