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Finding the Fourth Proportional to 239,793.90, 359,820.45 and 106,694.70

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Solution

The fourth proportional to 239,793.90, 359,820.45 and 106,694.70 is: 160,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,793.90 : 359,820.45 = 106,694.70 : x
  2. Step 2: Convert to fraction form
    239,793.90/359,820.45 = 106,694.70/x
  3. Step 3: Cross multiply
    239,793.90x = 359,820.45 × 106,694.70
  4. Step 4: Simplify right side
    239,793.90x = 38,390,934,966.62
  5. Step 5: Solve for x
    x = 38,390,934,966.62/239,793.90
  6. Step 6: Final answer
    x = 160,099.71

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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.