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Finding the Fourth Proportional to 182.73, 273.94 and 74.46

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Solution

The fourth proportional to 182.73, 273.94 and 74.46 is: 111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.73 : 273.94 = 74.46 : x
  2. Step 2: Convert to fraction form
    182.73/273.94 = 74.46/x
  3. Step 3: Cross multiply
    182.73x = 273.94 × 74.46
  4. Step 4: Simplify right side
    182.73x = 20,397.57
  5. Step 5: Solve for x
    x = 20,397.57/182.73
  6. Step 6: Final answer
    x = 111.63

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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.