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Finding the Fourth Proportional to 272.14, 375.66 and 167.27

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Solution

The fourth proportional to 272.14, 375.66 and 167.27 is: 230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.14 : 375.66 = 167.27 : x
  2. Step 2: Convert to fraction form
    272.14/375.66 = 167.27/x
  3. Step 3: Cross multiply
    272.14x = 375.66 × 167.27
  4. Step 4: Simplify right side
    272.14x = 62,837.62
  5. Step 5: Solve for x
    x = 62,837.62/272.14
  6. Step 6: Final answer
    x = 230.90

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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.