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Finding the Fourth Proportional to 267.73, 369.42 and 149.69

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Solution

The fourth proportional to 267.73, 369.42 and 149.69 is: 206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.73 : 369.42 = 149.69 : x
  2. Step 2: Convert to fraction form
    267.73/369.42 = 149.69/x
  3. Step 3: Cross multiply
    267.73x = 369.42 × 149.69
  4. Step 4: Simplify right side
    267.73x = 55,298.48
  5. Step 5: Solve for x
    x = 55,298.48/267.73
  6. Step 6: Final answer
    x = 206.55

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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.