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Finding the Fourth Proportional to 182.48, 251.24 and 154.80

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Solution

The fourth proportional to 182.48, 251.24 and 154.80 is: 213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.48 : 251.24 = 154.80 : x
  2. Step 2: Convert to fraction form
    182.48/251.24 = 154.80/x
  3. Step 3: Cross multiply
    182.48x = 251.24 × 154.80
  4. Step 4: Simplify right side
    182.48x = 38,891.18
  5. Step 5: Solve for x
    x = 38,891.18/182.48
  6. Step 6: Final answer
    x = 213.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.