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Finding the Fourth Proportional to 182.17, 251.02 and 149.36

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Solution

The fourth proportional to 182.17, 251.02 and 149.36 is: 205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.17 : 251.02 = 149.36 : x
  2. Step 2: Convert to fraction form
    182.17/251.02 = 149.36/x
  3. Step 3: Cross multiply
    182.17x = 251.02 × 149.36
  4. Step 4: Simplify right side
    182.17x = 37,491.85
  5. Step 5: Solve for x
    x = 37,491.85/182.17
  6. Step 6: Final answer
    x = 205.81

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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.