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Finding the Fourth Proportional to 267.91, 369.85 and 173.44

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Solution

The fourth proportional to 267.91, 369.85 and 173.44 is: 239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.91 : 369.85 = 173.44 : x
  2. Step 2: Convert to fraction form
    267.91/369.85 = 173.44/x
  3. Step 3: Cross multiply
    267.91x = 369.85 × 173.44
  4. Step 4: Simplify right side
    267.91x = 64,147.87
  5. Step 5: Solve for x
    x = 64,147.87/267.91
  6. Step 6: Final answer
    x = 239.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.