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Finding the Fourth Proportional to 267.37, 400.88 and 113.27

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Solution

The fourth proportional to 267.37, 400.88 and 113.27 is: 169.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.37 : 400.88 = 113.27 : x
  2. Step 2: Convert to fraction form
    267.37/400.88 = 113.27/x
  3. Step 3: Cross multiply
    267.37x = 400.88 × 113.27
  4. Step 4: Simplify right side
    267.37x = 45,405.96
  5. Step 5: Solve for x
    x = 45,405.96/267.37
  6. Step 6: Final answer
    x = 169.83

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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.