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Finding the Fourth Proportional to 182.48, 273.73 and 66.92

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Solution

The fourth proportional to 182.48, 273.73 and 66.92 is: 100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.48 : 273.73 = 66.92 : x
  2. Step 2: Convert to fraction form
    182.48/273.73 = 66.92/x
  3. Step 3: Cross multiply
    182.48x = 273.73 × 66.92
  4. Step 4: Simplify right side
    182.48x = 18,318.01
  5. Step 5: Solve for x
    x = 18,318.01/182.48
  6. Step 6: Final answer
    x = 100.38

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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.