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Finding the Fourth Proportional to 351,755.46, 527,522.42 and 115,042.88

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Solution

The fourth proportional to 351,755.46, 527,522.42 and 115,042.88 is: 172,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,755.46 : 527,522.42 = 115,042.88 : x
  2. Step 2: Convert to fraction form
    351,755.46/527,522.42 = 115,042.88/x
  3. Step 3: Cross multiply
    351,755.46x = 527,522.42 × 115,042.88
  4. Step 4: Simplify right side
    351,755.46x = 60,687,700,067.78
  5. Step 5: Solve for x
    x = 60,687,700,067.78/351,755.46
  6. Step 6: Final answer
    x = 172,528.10

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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.