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Finding the Fourth Proportional to 267.62, 401.14 and 113.52

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Solution

The fourth proportional to 267.62, 401.14 and 113.52 is: 170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.62 : 401.14 = 113.52 : x
  2. Step 2: Convert to fraction form
    267.62/401.14 = 113.52/x
  3. Step 3: Cross multiply
    267.62x = 401.14 × 113.52
  4. Step 4: Simplify right side
    267.62x = 45,537.41
  5. Step 5: Solve for x
    x = 45,537.41/267.62
  6. Step 6: Final answer
    x = 170.16

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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.