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Finding the Fourth Proportional to 252,755.91, 348,761.79 and 149,375.71

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Solution

The fourth proportional to 252,755.91, 348,761.79 and 149,375.71 is: 206,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,755.91 : 348,761.79 = 149,375.71 : x
  2. Step 2: Convert to fraction form
    252,755.91/348,761.79 = 149,375.71/x
  3. Step 3: Cross multiply
    252,755.91x = 348,761.79 × 149,375.71
  4. Step 4: Simplify right side
    252,755.91x = 52,096,540,002.12
  5. Step 5: Solve for x
    x = 52,096,540,002.12/252,755.91
  6. Step 6: Final answer
    x = 206,114.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.