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Finding the Fourth Proportional to 79,134.30, 118,713.18 and 22,974.87

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Solution

The fourth proportional to 79,134.30, 118,713.18 and 22,974.87 is: 34,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134.30 : 118,713.18 = 22,974.87 : x
  2. Step 2: Convert to fraction form
    79,134.30/118,713.18 = 22,974.87/x
  3. Step 3: Cross multiply
    79,134.30x = 118,713.18 × 22,974.87
  4. Step 4: Simplify right side
    79,134.30x = 2,727,419,877.79
  5. Step 5: Solve for x
    x = 2,727,419,877.79/79,134.30
  6. Step 6: Final answer
    x = 34,465.71

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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.