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Finding the Fourth Proportional to 146.54, 219.45 and 92.27

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Solution

The fourth proportional to 146.54, 219.45 and 92.27 is: 138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.54 : 219.45 = 92.27 : x
  2. Step 2: Convert to fraction form
    146.54/219.45 = 92.27/x
  3. Step 3: Cross multiply
    146.54x = 219.45 × 92.27
  4. Step 4: Simplify right side
    146.54x = 20,248.65
  5. Step 5: Solve for x
    x = 20,248.65/146.54
  6. Step 6: Final answer
    x = 138.18

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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.