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Finding the Fourth Proportional to 104,081.39, 156,122.49 and 25,195.49

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Solution

The fourth proportional to 104,081.39, 156,122.49 and 25,195.49 is: 37,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,081.39 : 156,122.49 = 25,195.49 : x
  2. Step 2: Convert to fraction form
    104,081.39/156,122.49 = 25,195.49/x
  3. Step 3: Cross multiply
    104,081.39x = 156,122.49 × 25,195.49
  4. Step 4: Simplify right side
    104,081.39x = 3,933,581,854.96
  5. Step 5: Solve for x
    x = 3,933,581,854.96/104,081.39
  6. Step 6: Final answer
    x = 37,793.33

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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.