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Finding the Fourth Proportional to 196.26, 270.95 and 134.07

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Solution

The fourth proportional to 196.26, 270.95 and 134.07 is: 185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.26 : 270.95 = 134.07 : x
  2. Step 2: Convert to fraction form
    196.26/270.95 = 134.07/x
  3. Step 3: Cross multiply
    196.26x = 270.95 × 134.07
  4. Step 4: Simplify right side
    196.26x = 36,325.60
  5. Step 5: Solve for x
    x = 36,325.60/196.26
  6. Step 6: Final answer
    x = 185.09

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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.