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Finding the Fourth Proportional to 275,252.10, 413,121.15 and 162,791.70

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Solution

The fourth proportional to 275,252.10, 413,121.15 and 162,791.70 is: 244,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,252.10 : 413,121.15 = 162,791.70 : x
  2. Step 2: Convert to fraction form
    275,252.10/413,121.15 = 162,791.70/x
  3. Step 3: Cross multiply
    275,252.10x = 413,121.15 × 162,791.70
  4. Step 4: Simplify right side
    275,252.10x = 67,252,694,314.46
  5. Step 5: Solve for x
    x = 67,252,694,314.46/275,252.10
  6. Step 6: Final answer
    x = 244,331.27

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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.