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Finding the Fourth Proportional to 79,306.70, 118,965.51 and 23,147.27

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Solution

The fourth proportional to 79,306.70, 118,965.51 and 23,147.27 is: 34,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,306.70 : 118,965.51 = 23,147.27 : x
  2. Step 2: Convert to fraction form
    79,306.70/118,965.51 = 23,147.27/x
  3. Step 3: Cross multiply
    79,306.70x = 118,965.51 × 23,147.27
  4. Step 4: Simplify right side
    79,306.70x = 2,753,726,631.95
  5. Step 5: Solve for x
    x = 2,753,726,631.95/79,306.70
  6. Step 6: Final answer
    x = 34,722.50

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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.