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Finding the Fourth Proportional to 182.12, 273.04 and 73.91

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Solution

The fourth proportional to 182.12, 273.04 and 73.91 is: 110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.12 : 273.04 = 73.91 : x
  2. Step 2: Convert to fraction form
    182.12/273.04 = 73.91/x
  3. Step 3: Cross multiply
    182.12x = 273.04 × 73.91
  4. Step 4: Simplify right side
    182.12x = 20,180.88
  5. Step 5: Solve for x
    x = 20,180.88/182.12
  6. Step 6: Final answer
    x = 110.81

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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.