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Finding the Fourth Proportional to 275,363.92, 412,380.60 and 156,675.70

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Solution

The fourth proportional to 275,363.92, 412,380.60 and 156,675.70 is: 234,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,363.92 : 412,380.60 = 156,675.70 : x
  2. Step 2: Convert to fraction form
    275,363.92/412,380.60 = 156,675.70/x
  3. Step 3: Cross multiply
    275,363.92x = 412,380.60 × 156,675.70
  4. Step 4: Simplify right side
    275,363.92x = 64,610,019,171.42
  5. Step 5: Solve for x
    x = 64,610,019,171.42/275,363.92
  6. Step 6: Final answer
    x = 234,635.02

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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.