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Finding the Fourth Proportional to 247,997.92, 372,003.36 and 79,534.56

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Solution

The fourth proportional to 247,997.92, 372,003.36 and 79,534.56 is: 119,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,997.92 : 372,003.36 = 79,534.56 : x
  2. Step 2: Convert to fraction form
    247,997.92/372,003.36 = 79,534.56/x
  3. Step 3: Cross multiply
    247,997.92x = 372,003.36 × 79,534.56
  4. Step 4: Simplify right side
    247,997.92x = 29,587,123,556.12
  5. Step 5: Solve for x
    x = 29,587,123,556.12/247,997.92
  6. Step 6: Final answer
    x = 119,303.92

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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.