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Finding the Fourth Proportional to 267.36, 369.14 and 167.82

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Solution

The fourth proportional to 267.36, 369.14 and 167.82 is: 231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.36 : 369.14 = 167.82 : x
  2. Step 2: Convert to fraction form
    267.36/369.14 = 167.82/x
  3. Step 3: Cross multiply
    267.36x = 369.14 × 167.82
  4. Step 4: Simplify right side
    267.36x = 61,946.85
  5. Step 5: Solve for x
    x = 61,946.85/267.36
  6. Step 6: Final answer
    x = 231.70

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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.