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Finding the Fourth Proportional to 269,792.80, 404,729.17 and 89,819.44

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Solution

The fourth proportional to 269,792.80, 404,729.17 and 89,819.44 is: 134,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,792.80 : 404,729.17 = 89,819.44 : x
  2. Step 2: Convert to fraction form
    269,792.80/404,729.17 = 89,819.44/x
  3. Step 3: Cross multiply
    269,792.80x = 404,729.17 × 89,819.44
  4. Step 4: Simplify right side
    269,792.80x = 36,352,546,164.69
  5. Step 5: Solve for x
    x = 36,352,546,164.69/269,792.80
  6. Step 6: Final answer
    x = 134,742.46

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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.