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Finding the Fourth Proportional to 267,190.12, 400,747.91 and 67,498.12

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Solution

The fourth proportional to 267,190.12, 400,747.91 and 67,498.12 is: 101,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,190.12 : 400,747.91 = 67,498.12 : x
  2. Step 2: Convert to fraction form
    267,190.12/400,747.91 = 67,498.12/x
  3. Step 3: Cross multiply
    267,190.12x = 400,747.91 × 67,498.12
  4. Step 4: Simplify right side
    267,190.12x = 27,049,729,685.80
  5. Step 5: Solve for x
    x = 27,049,729,685.80/267,190.12
  6. Step 6: Final answer
    x = 101,237.76

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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.