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Finding the Fourth Proportional to 196.01, 270.23 and 133.73

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Solution

The fourth proportional to 196.01, 270.23 and 133.73 is: 184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.01 : 270.23 = 133.73 : x
  2. Step 2: Convert to fraction form
    196.01/270.23 = 133.73/x
  3. Step 3: Cross multiply
    196.01x = 270.23 × 133.73
  4. Step 4: Simplify right side
    196.01x = 36,135.84
  5. Step 5: Solve for x
    x = 36,135.84/196.01
  6. Step 6: Final answer
    x = 184.36

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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.