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Finding the Fourth Proportional to 182.55, 273.90 and 131.52

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Solution

The fourth proportional to 182.55, 273.90 and 131.52 is: 197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.55 : 273.90 = 131.52 : x
  2. Step 2: Convert to fraction form
    182.55/273.90 = 131.52/x
  3. Step 3: Cross multiply
    182.55x = 273.90 × 131.52
  4. Step 4: Simplify right side
    182.55x = 36,023.33
  5. Step 5: Solve for x
    x = 36,023.33/182.55
  6. Step 6: Final answer
    x = 197.33

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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.