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Finding the Fourth Proportional to 75,195.67, 112,794.15 and 60,165.54

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Solution

The fourth proportional to 75,195.67, 112,794.15 and 60,165.54 is: 90,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,195.67 : 112,794.15 = 60,165.54 : x
  2. Step 2: Convert to fraction form
    75,195.67/112,794.15 = 60,165.54/x
  3. Step 3: Cross multiply
    75,195.67x = 112,794.15 × 60,165.54
  4. Step 4: Simplify right side
    75,195.67x = 6,786,321,140.95
  5. Step 5: Solve for x
    x = 6,786,321,140.95/75,195.67
  6. Step 6: Final answer
    x = 90,248.83

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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.