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Finding the Fourth Proportional to 204.92, 306.66 and 167.93

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Solution

The fourth proportional to 204.92, 306.66 and 167.93 is: 251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.92 : 306.66 = 167.93 : x
  2. Step 2: Convert to fraction form
    204.92/306.66 = 167.93/x
  3. Step 3: Cross multiply
    204.92x = 306.66 × 167.93
  4. Step 4: Simplify right side
    204.92x = 51,495.88
  5. Step 5: Solve for x
    x = 51,495.88/204.92
  6. Step 6: Final answer
    x = 251.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.