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Finding the Fourth Proportional to 204.29, 281.44 and 167.23

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Solution

The fourth proportional to 204.29, 281.44 and 167.23 is: 230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.29 : 281.44 = 167.23 : x
  2. Step 2: Convert to fraction form
    204.29/281.44 = 167.23/x
  3. Step 3: Cross multiply
    204.29x = 281.44 × 167.23
  4. Step 4: Simplify right side
    204.29x = 47,065.21
  5. Step 5: Solve for x
    x = 47,065.21/204.29
  6. Step 6: Final answer
    x = 230.39

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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.