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Finding the Fourth Proportional to 204.01, 281.50 and 116.66

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Solution

The fourth proportional to 204.01, 281.50 and 116.66 is: 160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.01 : 281.50 = 116.66 : x
  2. Step 2: Convert to fraction form
    204.01/281.50 = 116.66/x
  3. Step 3: Cross multiply
    204.01x = 281.50 × 116.66
  4. Step 4: Simplify right side
    204.01x = 32,839.79
  5. Step 5: Solve for x
    x = 32,839.79/204.01
  6. Step 6: Final answer
    x = 160.97

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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.