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Finding the Fourth Proportional to 196.92, 273.36 and 194.82

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Solution

The fourth proportional to 196.92, 273.36 and 194.82 is: 270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.92 : 273.36 = 194.82 : x
  2. Step 2: Convert to fraction form
    196.92/273.36 = 194.82/x
  3. Step 3: Cross multiply
    196.92x = 273.36 × 194.82
  4. Step 4: Simplify right side
    196.92x = 53,256.00
  5. Step 5: Solve for x
    x = 53,256.00/196.92
  6. Step 6: Final answer
    x = 270.44

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.