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Finding the Fourth Proportional to 182.60, 273.72 and 74.24

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Solution

The fourth proportional to 182.60, 273.72 and 74.24 is: 111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.60 : 273.72 = 74.24 : x
  2. Step 2: Convert to fraction form
    182.60/273.72 = 74.24/x
  3. Step 3: Cross multiply
    182.60x = 273.72 × 74.24
  4. Step 4: Simplify right side
    182.60x = 20,320.97
  5. Step 5: Solve for x
    x = 20,320.97/182.60
  6. Step 6: Final answer
    x = 111.29

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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.