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Finding the Fourth Proportional to 267,550.90, 401,387.91 and 90,053.17

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Solution

The fourth proportional to 267,550.90, 401,387.91 and 90,053.17 is: 135,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,550.90 : 401,387.91 = 90,053.17 : x
  2. Step 2: Convert to fraction form
    267,550.90/401,387.91 = 90,053.17/x
  3. Step 3: Cross multiply
    267,550.90x = 401,387.91 × 90,053.17
  4. Step 4: Simplify right side
    267,550.90x = 36,146,253,695.17
  5. Step 5: Solve for x
    x = 36,146,253,695.17/267,550.90
  6. Step 6: Final answer
    x = 135,100.48

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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.