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Finding the Fourth Proportional to 267,200.22, 400,819.77 and 89,705.73

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Solution

The fourth proportional to 267,200.22, 400,819.77 and 89,705.73 is: 134,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,200.22 : 400,819.77 = 89,705.73 : x
  2. Step 2: Convert to fraction form
    267,200.22/400,819.77 = 89,705.73/x
  3. Step 3: Cross multiply
    267,200.22x = 400,819.77 × 89,705.73
  4. Step 4: Simplify right side
    267,200.22x = 35,955,830,066.28
  5. Step 5: Solve for x
    x = 35,955,830,066.28/267,200.22
  6. Step 6: Final answer
    x = 134,565.12

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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.