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Finding the Fourth Proportional to 196.44, 293.85 and 134.88

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Solution

The fourth proportional to 196.44, 293.85 and 134.88 is: 201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.44 : 293.85 = 134.88 : x
  2. Step 2: Convert to fraction form
    196.44/293.85 = 134.88/x
  3. Step 3: Cross multiply
    196.44x = 293.85 × 134.88
  4. Step 4: Simplify right side
    196.44x = 39,634.49
  5. Step 5: Solve for x
    x = 39,634.49/196.44
  6. Step 6: Final answer
    x = 201.76

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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.