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Finding the Fourth Proportional to 272.36, 375.76 and 167.41

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Solution

The fourth proportional to 272.36, 375.76 and 167.41 is: 230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.36 : 375.76 = 167.41 : x
  2. Step 2: Convert to fraction form
    272.36/375.76 = 167.41/x
  3. Step 3: Cross multiply
    272.36x = 375.76 × 167.41
  4. Step 4: Simplify right side
    272.36x = 62,905.98
  5. Step 5: Solve for x
    x = 62,905.98/272.36
  6. Step 6: Final answer
    x = 230.97

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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.