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Finding the Fourth Proportional to 267,080.27, 400,659.99 and 77,542.19

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Solution

The fourth proportional to 267,080.27, 400,659.99 and 77,542.19 is: 116,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,080.27 : 400,659.99 = 77,542.19 : x
  2. Step 2: Convert to fraction form
    267,080.27/400,659.99 = 77,542.19/x
  3. Step 3: Cross multiply
    267,080.27x = 400,659.99 × 77,542.19
  4. Step 4: Simplify right side
    267,080.27x = 31,068,053,069.98
  5. Step 5: Solve for x
    x = 31,068,053,069.98/267,080.27
  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.