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Finding the Fourth Proportional to 234,320.70, 351,481.05 and 171,651.90

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Solution

The fourth proportional to 234,320.70, 351,481.05 and 171,651.90 is: 257,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,320.70 : 351,481.05 = 171,651.90 : x
  2. Step 2: Convert to fraction form
    234,320.70/351,481.05 = 171,651.90/x
  3. Step 3: Cross multiply
    234,320.70x = 351,481.05 × 171,651.90
  4. Step 4: Simplify right side
    234,320.70x = 60,332,390,046.50
  5. Step 5: Solve for x
    x = 60,332,390,046.50/234,320.70
  6. Step 6: Final answer
    x = 257,477.85

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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.