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Finding the Fourth Proportional to 196.18, 270.26 and 185.92

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Solution

The fourth proportional to 196.18, 270.26 and 185.92 is: 256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.18 : 270.26 = 185.92 : x
  2. Step 2: Convert to fraction form
    196.18/270.26 = 185.92/x
  3. Step 3: Cross multiply
    196.18x = 270.26 × 185.92
  4. Step 4: Simplify right side
    196.18x = 50,246.74
  5. Step 5: Solve for x
    x = 50,246.74/196.18
  6. Step 6: Final answer
    x = 256.13

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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.