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Finding the Fourth Proportional to 182.25, 250.90 and 161.44

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Solution

The fourth proportional to 182.25, 250.90 and 161.44 is: 222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.25 : 250.90 = 161.44 : x
  2. Step 2: Convert to fraction form
    182.25/250.90 = 161.44/x
  3. Step 3: Cross multiply
    182.25x = 250.90 × 161.44
  4. Step 4: Simplify right side
    182.25x = 40,505.68
  5. Step 5: Solve for x
    x = 40,505.68/182.25
  6. Step 6: Final answer
    x = 222.25

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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.