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Finding the Fourth Proportional to 331,663.80, 497,581.56 and 95,023.92

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Solution

The fourth proportional to 331,663.80, 497,581.56 and 95,023.92 is: 142,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,663.80 : 497,581.56 = 95,023.92 : x
  2. Step 2: Convert to fraction form
    331,663.80/497,581.56 = 95,023.92/x
  3. Step 3: Cross multiply
    331,663.80x = 497,581.56 × 95,023.92
  4. Step 4: Simplify right side
    331,663.80x = 47,282,150,350.92
  5. Step 5: Solve for x
    x = 47,282,150,350.92/331,663.80
  6. Step 6: Final answer
    x = 142,560.48

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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.