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Finding the Fourth Proportional to 182.24, 251.47 and 108.54

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Solution

The fourth proportional to 182.24, 251.47 and 108.54 is: 149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.24 : 251.47 = 108.54 : x
  2. Step 2: Convert to fraction form
    182.24/251.47 = 108.54/x
  3. Step 3: Cross multiply
    182.24x = 251.47 × 108.54
  4. Step 4: Simplify right side
    182.24x = 27,294.55
  5. Step 5: Solve for x
    x = 27,294.55/182.24
  6. Step 6: Final answer
    x = 149.77

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Why These Related Problems?

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