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Finding the Fourth Proportional to 267.54, 401.24 and 113.46

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Solution

The fourth proportional to 267.54, 401.24 and 113.46 is: 170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.54 : 401.24 = 113.46 : x
  2. Step 2: Convert to fraction form
    267.54/401.24 = 113.46/x
  3. Step 3: Cross multiply
    267.54x = 401.24 × 113.46
  4. Step 4: Simplify right side
    267.54x = 45,524.69
  5. Step 5: Solve for x
    x = 45,524.69/267.54
  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.