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Finding the Fourth Proportional to 80,067.80, 120,099.78 and 26,032.41

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Solution

The fourth proportional to 80,067.80, 120,099.78 and 26,032.41 is: 39,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,067.80 : 120,099.78 = 26,032.41 : x
  2. Step 2: Convert to fraction form
    80,067.80/120,099.78 = 26,032.41/x
  3. Step 3: Cross multiply
    80,067.80x = 120,099.78 × 26,032.41
  4. Step 4: Simplify right side
    80,067.80x = 3,126,486,713.87
  5. Step 5: Solve for x
    x = 3,126,486,713.87/80,067.80
  6. Step 6: Final answer
    x = 39,047.99

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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.