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Finding the Fourth Proportional to 267.87, 369.74 and 169.59

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Solution

The fourth proportional to 267.87, 369.74 and 169.59 is: 234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.87 : 369.74 = 169.59 : x
  2. Step 2: Convert to fraction form
    267.87/369.74 = 169.59/x
  3. Step 3: Cross multiply
    267.87x = 369.74 × 169.59
  4. Step 4: Simplify right side
    267.87x = 62,704.21
  5. Step 5: Solve for x
    x = 62,704.21/267.87
  6. Step 6: Final answer
    x = 234.08

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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.