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Finding the Fourth Proportional to 182.15, 273.48 and 113.48

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Solution

The fourth proportional to 182.15, 273.48 and 113.48 is: 170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.15 : 273.48 = 113.48 : x
  2. Step 2: Convert to fraction form
    182.15/273.48 = 113.48/x
  3. Step 3: Cross multiply
    182.15x = 273.48 × 113.48
  4. Step 4: Simplify right side
    182.15x = 31,033.14
  5. Step 5: Solve for x
    x = 31,033.14/182.15
  6. Step 6: Final answer
    x = 170.38

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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.