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Finding the Fourth Proportional to 225.25, 337.49 and 109.54

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Solution

The fourth proportional to 225.25, 337.49 and 109.54 is: 164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.25 : 337.49 = 109.54 : x
  2. Step 2: Convert to fraction form
    225.25/337.49 = 109.54/x
  3. Step 3: Cross multiply
    225.25x = 337.49 × 109.54
  4. Step 4: Simplify right side
    225.25x = 36,968.65
  5. Step 5: Solve for x
    x = 36,968.65/225.25
  6. Step 6: Final answer
    x = 164.12

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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.