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Finding the Fourth Proportional to 234,767.20, 351,610.80 and 192,776.80

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Solution

The fourth proportional to 234,767.20, 351,610.80 and 192,776.80 is: 288,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,767.20 : 351,610.80 = 192,776.80 : x
  2. Step 2: Convert to fraction form
    234,767.20/351,610.80 = 192,776.80/x
  3. Step 3: Cross multiply
    234,767.20x = 351,610.80 × 192,776.80
  4. Step 4: Simplify right side
    234,767.20x = 67,782,404,869.44
  5. Step 5: Solve for x
    x = 67,782,404,869.44/234,767.20
  6. Step 6: Final answer
    x = 288,721.78

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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.