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Finding the Fourth Proportional to 267,080.26, 400,659.98 and 77,542.19

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Solution

The fourth proportional to 267,080.26, 400,659.98 and 77,542.19 is: 116,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,080.26 : 400,659.98 = 77,542.19 : x
  2. Step 2: Convert to fraction form
    267,080.26/400,659.98 = 77,542.19/x
  3. Step 3: Cross multiply
    267,080.26x = 400,659.98 × 77,542.19
  4. Step 4: Simplify right side
    267,080.26x = 31,068,052,294.56
  5. Step 5: Solve for x
    x = 31,068,052,294.56/267,080.26
  6. Step 6: Final answer
    x = 116,324.78

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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.