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Finding the Fourth Proportional to 275,237.90, 413,116.05 and 170,261.90

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Solution

The fourth proportional to 275,237.90, 413,116.05 and 170,261.90 is: 255,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,237.90 : 413,116.05 = 170,261.90 : x
  2. Step 2: Convert to fraction form
    275,237.90/413,116.05 = 170,261.90/x
  3. Step 3: Cross multiply
    275,237.90x = 413,116.05 × 170,261.90
  4. Step 4: Simplify right side
    275,237.90x = 70,337,923,593.50
  5. Step 5: Solve for x
    x = 70,337,923,593.50/275,237.90
  6. Step 6: Final answer
    x = 255,553.19

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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.