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Finding the Fourth Proportional to 196.26, 270.86 and 134.01

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Solution

The fourth proportional to 196.26, 270.86 and 134.01 is: 184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.26 : 270.86 = 134.01 : x
  2. Step 2: Convert to fraction form
    196.26/270.86 = 134.01/x
  3. Step 3: Cross multiply
    196.26x = 270.86 × 134.01
  4. Step 4: Simplify right side
    196.26x = 36,297.28
  5. Step 5: Solve for x
    x = 36,297.28/196.26
  6. Step 6: Final answer
    x = 184.94

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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.