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Finding the Fourth Proportional to 182.91, 273.65 and 141.46

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Solution

The fourth proportional to 182.91, 273.65 and 141.46 is: 211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.91 : 273.65 = 141.46 : x
  2. Step 2: Convert to fraction form
    182.91/273.65 = 141.46/x
  3. Step 3: Cross multiply
    182.91x = 273.65 × 141.46
  4. Step 4: Simplify right side
    182.91x = 38,709.93
  5. Step 5: Solve for x
    x = 38,709.93/182.91
  6. Step 6: Final answer
    x = 211.63

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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.