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Finding the Fourth Proportional to 196.25, 270.67 and 134.02

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Solution

The fourth proportional to 196.25, 270.67 and 134.02 is: 184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.25 : 270.67 = 134.02 : x
  2. Step 2: Convert to fraction form
    196.25/270.67 = 134.02/x
  3. Step 3: Cross multiply
    196.25x = 270.67 × 134.02
  4. Step 4: Simplify right side
    196.25x = 36,273.17
  5. Step 5: Solve for x
    x = 36,273.17/196.25
  6. Step 6: Final answer
    x = 184.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.