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Finding the Fourth Proportional to 254.52, 351.41 and 167.36

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Solution

The fourth proportional to 254.52, 351.41 and 167.36 is: 231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.52 : 351.41 = 167.36 : x
  2. Step 2: Convert to fraction form
    254.52/351.41 = 167.36/x
  3. Step 3: Cross multiply
    254.52x = 351.41 × 167.36
  4. Step 4: Simplify right side
    254.52x = 58,809.38
  5. Step 5: Solve for x
    x = 58,809.38/254.52
  6. Step 6: Final answer
    x = 231.06

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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.