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Finding the Fourth Proportional to 267,213.60, 400,723.20 and 89,726.40

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Solution

The fourth proportional to 267,213.60, 400,723.20 and 89,726.40 is: 134,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,213.60 : 400,723.20 = 89,726.40 : x
  2. Step 2: Convert to fraction form
    267,213.60/400,723.20 = 89,726.40/x
  3. Step 3: Cross multiply
    267,213.60x = 400,723.20 × 89,726.40
  4. Step 4: Simplify right side
    267,213.60x = 35,955,450,132.48
  5. Step 5: Solve for x
    x = 35,955,450,132.48/267,213.60
  6. Step 6: Final answer
    x = 134,556.96

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1.5x scale

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.