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Finding the Fourth Proportional to 267,169.38, 400,754.87 and 64,764.68

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Solution

The fourth proportional to 267,169.38, 400,754.87 and 64,764.68 is: 97,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,169.38 : 400,754.87 = 64,764.68 : x
  2. Step 2: Convert to fraction form
    267,169.38/400,754.87 = 64,764.68/x
  3. Step 3: Cross multiply
    267,169.38x = 400,754.87 × 64,764.68
  4. Step 4: Simplify right side
    267,169.38x = 25,954,760,913.99
  5. Step 5: Solve for x
    x = 25,954,760,913.99/267,169.38
  6. Step 6: Final answer
    x = 97,147.21

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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.