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Finding the Fourth Proportional to 267,391.62, 400,817.52 and 167,621.88

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Solution

The fourth proportional to 267,391.62, 400,817.52 and 167,621.88 is: 251,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,391.62 : 400,817.52 = 167,621.88 : x
  2. Step 2: Convert to fraction form
    267,391.62/400,817.52 = 167,621.88/x
  3. Step 3: Cross multiply
    267,391.62x = 400,817.52 × 167,621.88
  4. Step 4: Simplify right side
    267,391.62x = 67,185,786,239.34
  5. Step 5: Solve for x
    x = 67,185,786,239.34/267,391.62
  6. Step 6: Final answer
    x = 251,263.62

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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.