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Finding the Fourth Proportional to 196.96, 295.18 and 94.02

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Solution

The fourth proportional to 196.96, 295.18 and 94.02 is: 140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.96 : 295.18 = 94.02 : x
  2. Step 2: Convert to fraction form
    196.96/295.18 = 94.02/x
  3. Step 3: Cross multiply
    196.96x = 295.18 × 94.02
  4. Step 4: Simplify right side
    196.96x = 27,752.35
  5. Step 5: Solve for x
    x = 27,752.35/196.96
  6. Step 6: Final answer
    x = 140.90

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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.