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Finding the Fourth Proportional to 267.44, 368.96 and 169.29

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Solution

The fourth proportional to 267.44, 368.96 and 169.29 is: 233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.44 : 368.96 = 169.29 : x
  2. Step 2: Convert to fraction form
    267.44/368.96 = 169.29/x
  3. Step 3: Cross multiply
    267.44x = 368.96 × 169.29
  4. Step 4: Simplify right side
    267.44x = 62,460.39
  5. Step 5: Solve for x
    x = 62,460.39/267.44
  6. Step 6: Final answer
    x = 233.55

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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.