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Finding the Fourth Proportional to 204.67, 306.75 and 113.14

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Solution

The fourth proportional to 204.67, 306.75 and 113.14 is: 169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.67 : 306.75 = 113.14 : x
  2. Step 2: Convert to fraction form
    204.67/306.75 = 113.14/x
  3. Step 3: Cross multiply
    204.67x = 306.75 × 113.14
  4. Step 4: Simplify right side
    204.67x = 34,705.70
  5. Step 5: Solve for x
    x = 34,705.70/204.67
  6. Step 6: Final answer
    x = 169.57

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