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Finding the Fourth Proportional to 73,227.12, 109,801.80 and 35,793.78

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Solution

The fourth proportional to 73,227.12, 109,801.80 and 35,793.78 is: 53,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,227.12 : 109,801.80 = 35,793.78 : x
  2. Step 2: Convert to fraction form
    73,227.12/109,801.80 = 35,793.78/x
  3. Step 3: Cross multiply
    73,227.12x = 109,801.80 × 35,793.78
  4. Step 4: Simplify right side
    73,227.12x = 3,930,221,472.80
  5. Step 5: Solve for x
    x = 3,930,221,472.80/73,227.12
  6. Step 6: Final answer
    x = 53,671.67

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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.