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Finding the Fourth Proportional to 182.44, 273.52 and 79.75

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Solution

The fourth proportional to 182.44, 273.52 and 79.75 is: 119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.44 : 273.52 = 79.75 : x
  2. Step 2: Convert to fraction form
    182.44/273.52 = 79.75/x
  3. Step 3: Cross multiply
    182.44x = 273.52 × 79.75
  4. Step 4: Simplify right side
    182.44x = 21,813.22
  5. Step 5: Solve for x
    x = 21,813.22/182.44
  6. Step 6: Final answer
    x = 119.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.