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Finding the Fourth Proportional to 123,374.12, 185,060.55 and 29,879.87

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Solution

The fourth proportional to 123,374.12, 185,060.55 and 29,879.87 is: 44,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,374.12 : 185,060.55 = 29,879.87 : x
  2. Step 2: Convert to fraction form
    123,374.12/185,060.55 = 29,879.87/x
  3. Step 3: Cross multiply
    123,374.12x = 185,060.55 × 29,879.87
  4. Step 4: Simplify right side
    123,374.12x = 5,529,584,250.83
  5. Step 5: Solve for x
    x = 5,529,584,250.83/123,374.12
  6. Step 6: Final answer
    x = 44,819.65

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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.