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Finding the Fourth Proportional to 204.33, 282.02 and 167.57

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Solution

The fourth proportional to 204.33, 282.02 and 167.57 is: 231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.33 : 282.02 = 167.57 : x
  2. Step 2: Convert to fraction form
    204.33/282.02 = 167.57/x
  3. Step 3: Cross multiply
    204.33x = 282.02 × 167.57
  4. Step 4: Simplify right side
    204.33x = 47,255.84
  5. Step 5: Solve for x
    x = 47,255.84/204.33
  6. Step 6: Final answer
    x = 231.27

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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.