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Finding the Fourth Proportional to 154,562.70, 231,844.05 and 49,385.10

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Solution

The fourth proportional to 154,562.70, 231,844.05 and 49,385.10 is: 74,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,562.70 : 231,844.05 = 49,385.10 : x
  2. Step 2: Convert to fraction form
    154,562.70/231,844.05 = 49,385.10/x
  3. Step 3: Cross multiply
    154,562.70x = 231,844.05 × 49,385.10
  4. Step 4: Simplify right side
    154,562.70x = 11,449,641,593.66
  5. Step 5: Solve for x
    x = 11,449,641,593.66/154,562.70
  6. Step 6: Final answer
    x = 74,077.65

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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.