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Finding the Fourth Proportional to 79,778.33, 110,092.20 and 43,480.92

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Solution

The fourth proportional to 79,778.33, 110,092.20 and 43,480.92 is: 60,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,778.33 : 110,092.20 = 43,480.92 : x
  2. Step 2: Convert to fraction form
    79,778.33/110,092.20 = 43,480.92/x
  3. Step 3: Cross multiply
    79,778.33x = 110,092.20 × 43,480.92
  4. Step 4: Simplify right side
    79,778.33x = 4,786,910,472.14
  5. Step 5: Solve for x
    x = 4,786,910,472.14/79,778.33
  6. Step 6: Final answer
    x = 60,002.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.