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Finding the Fourth Proportional to 182.82, 273.81 and 146.70

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Solution

The fourth proportional to 182.82, 273.81 and 146.70 is: 219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.82 : 273.81 = 146.70 : x
  2. Step 2: Convert to fraction form
    182.82/273.81 = 146.70/x
  3. Step 3: Cross multiply
    182.82x = 273.81 × 146.70
  4. Step 4: Simplify right side
    182.82x = 40,167.93
  5. Step 5: Solve for x
    x = 40,167.93/182.82
  6. Step 6: Final answer
    x = 219.71

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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.