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Finding the Fourth Proportional to 272.34, 375.72 and 167.44

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Solution

The fourth proportional to 272.34, 375.72 and 167.44 is: 231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.34 : 375.72 = 167.44 : x
  2. Step 2: Convert to fraction form
    272.34/375.72 = 167.44/x
  3. Step 3: Cross multiply
    272.34x = 375.72 × 167.44
  4. Step 4: Simplify right side
    272.34x = 62,910.56
  5. Step 5: Solve for x
    x = 62,910.56/272.34
  6. Step 6: Final answer
    x = 231.00

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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.