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Finding the Fourth Proportional to 182.26, 251.82 and 145.69

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Solution

The fourth proportional to 182.26, 251.82 and 145.69 is: 201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.26 : 251.82 = 145.69 : x
  2. Step 2: Convert to fraction form
    182.26/251.82 = 145.69/x
  3. Step 3: Cross multiply
    182.26x = 251.82 × 145.69
  4. Step 4: Simplify right side
    182.26x = 36,687.66
  5. Step 5: Solve for x
    x = 36,687.66/182.26
  6. Step 6: Final answer
    x = 201.29

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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.