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Finding the Fourth Proportional to 267,217.92, 400,863.79 and 89,775.68

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Solution

The fourth proportional to 267,217.92, 400,863.79 and 89,775.68 is: 134,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,217.92 : 400,863.79 = 89,775.68 : x
  2. Step 2: Convert to fraction form
    267,217.92/400,863.79 = 89,775.68/x
  3. Step 3: Cross multiply
    267,217.92x = 400,863.79 × 89,775.68
  4. Step 4: Simplify right side
    267,217.92x = 35,987,819,334.63
  5. Step 5: Solve for x
    x = 35,987,819,334.63/267,217.92
  6. Step 6: Final answer
    x = 134,675.92

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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.