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Finding the Fourth Proportional to 267, 368.38 and 167.52

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Solution

The fourth proportional to 267, 368.38 and 167.52 is: 231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267 : 368.38 = 167.52 : x
  2. Step 2: Convert to fraction form
    267/368.38 = 167.52/x
  3. Step 3: Cross multiply
    267x = 368.38 × 167.52
  4. Step 4: Simplify right side
    267x = 61,711.02
  5. Step 5: Solve for x
    x = 61,711.02/267
  6. Step 6: Final answer
    x = 231.13

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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.