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Finding the Fourth Proportional to 154,593.89, 231,879.49 and 49,384.61

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Solution

The fourth proportional to 154,593.89, 231,879.49 and 49,384.61 is: 74,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,593.89 : 231,879.49 = 49,384.61 : x
  2. Step 2: Convert to fraction form
    154,593.89/231,879.49 = 49,384.61/x
  3. Step 3: Cross multiply
    154,593.89x = 231,879.49 × 49,384.61
  4. Step 4: Simplify right side
    154,593.89x = 11,451,278,180.65
  5. Step 5: Solve for x
    x = 11,451,278,180.65/154,593.89
  6. Step 6: Final answer
    x = 74,073.29

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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.