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Finding the Fourth Proportional to 79,251.50, 118,793.46 and 29,299.52

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Solution

The fourth proportional to 79,251.50, 118,793.46 and 29,299.52 is: 43,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,251.50 : 118,793.46 = 29,299.52 : x
  2. Step 2: Convert to fraction form
    79,251.50/118,793.46 = 29,299.52/x
  3. Step 3: Cross multiply
    79,251.50x = 118,793.46 × 29,299.52
  4. Step 4: Simplify right side
    79,251.50x = 3,480,591,357.14
  5. Step 5: Solve for x
    x = 3,480,591,357.14/79,251.50
  6. Step 6: Final answer
    x = 43,918.30

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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.