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Finding the Fourth Proportional to 196.29, 268.52 and 195.48

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Solution

The fourth proportional to 196.29, 268.52 and 195.48 is: 267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.29 : 268.52 = 195.48 : x
  2. Step 2: Convert to fraction form
    196.29/268.52 = 195.48/x
  3. Step 3: Cross multiply
    196.29x = 268.52 × 195.48
  4. Step 4: Simplify right side
    196.29x = 52,489.31
  5. Step 5: Solve for x
    x = 52,489.31/196.29
  6. Step 6: Final answer
    x = 267.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.