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Finding the Fourth Proportional to 182.22, 251.40 and 108.53

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Solution

The fourth proportional to 182.22, 251.40 and 108.53 is: 149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.22 : 251.40 = 108.53 : x
  2. Step 2: Convert to fraction form
    182.22/251.40 = 108.53/x
  3. Step 3: Cross multiply
    182.22x = 251.40 × 108.53
  4. Step 4: Simplify right side
    182.22x = 27,284.08
  5. Step 5: Solve for x
    x = 27,284.08/182.22
  6. Step 6: Final answer
    x = 149.73

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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.