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Finding the Fourth Proportional to 267,172.65, 400,758.98 and 67,493.61

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Solution

The fourth proportional to 267,172.65, 400,758.98 and 67,493.61 is: 101,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,172.65 : 400,758.98 = 67,493.61 : x
  2. Step 2: Convert to fraction form
    267,172.65/400,758.98 = 67,493.61/x
  3. Step 3: Cross multiply
    267,172.65x = 400,758.98 × 67,493.61
  4. Step 4: Simplify right side
    267,172.65x = 27,048,669,962.65
  5. Step 5: Solve for x
    x = 27,048,669,962.65/267,172.65
  6. Step 6: Final answer
    x = 101,240.42

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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.