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Finding the Fourth Proportional to 267.81, 369.82 and 174.66

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Solution

The fourth proportional to 267.81, 369.82 and 174.66 is: 241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.81 : 369.82 = 174.66 : x
  2. Step 2: Convert to fraction form
    267.81/369.82 = 174.66/x
  3. Step 3: Cross multiply
    267.81x = 369.82 × 174.66
  4. Step 4: Simplify right side
    267.81x = 64,590.61
  5. Step 5: Solve for x
    x = 64,590.61/267.81
  6. Step 6: Final answer
    x = 241.18

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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.