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Finding the Fourth Proportional to 267.36, 401.04 and 159.24

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Solution

The fourth proportional to 267.36, 401.04 and 159.24 is: 238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.36 : 401.04 = 159.24 : x
  2. Step 2: Convert to fraction form
    267.36/401.04 = 159.24/x
  3. Step 3: Cross multiply
    267.36x = 401.04 × 159.24
  4. Step 4: Simplify right side
    267.36x = 63,861.61
  5. Step 5: Solve for x
    x = 63,861.61/267.36
  6. Step 6: Final answer
    x = 238.86

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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.