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Finding the Fourth Proportional to 267,189.80, 400,747.61 and 67,497.89

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Solution

The fourth proportional to 267,189.80, 400,747.61 and 67,497.89 is: 101,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,189.80 : 400,747.61 = 67,497.89 : x
  2. Step 2: Convert to fraction form
    267,189.80/400,747.61 = 67,497.89/x
  3. Step 3: Cross multiply
    267,189.80x = 400,747.61 × 67,497.89
  4. Step 4: Simplify right side
    267,189.80x = 27,049,616,262.55
  5. Step 5: Solve for x
    x = 27,049,616,262.55/267,189.80
  6. Step 6: Final answer
    x = 101,237.46

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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.