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Finding the Fourth Proportional to 196.76, 295.50 and 135.92

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Solution

The fourth proportional to 196.76, 295.50 and 135.92 is: 204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.76 : 295.50 = 135.92 : x
  2. Step 2: Convert to fraction form
    196.76/295.50 = 135.92/x
  3. Step 3: Cross multiply
    196.76x = 295.50 × 135.92
  4. Step 4: Simplify right side
    196.76x = 40,164.36
  5. Step 5: Solve for x
    x = 40,164.36/196.76
  6. Step 6: Final answer
    x = 204.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.