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Finding the Fourth Proportional to 182.30, 273.54 and 131

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Solution

The fourth proportional to 182.30, 273.54 and 131 is: 196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.30 : 273.54 = 131 : x
  2. Step 2: Convert to fraction form
    182.30/273.54 = 131/x
  3. Step 3: Cross multiply
    182.30x = 273.54 × 131
  4. Step 4: Simplify right side
    182.30x = 35,833.74
  5. Step 5: Solve for x
    x = 35,833.74/182.30
  6. Step 6: Final answer
    x = 196.56

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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.