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Finding the Fourth Proportional to 197.41, 295.91 and 94.66

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Solution

The fourth proportional to 197.41, 295.91 and 94.66 is: 141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.41 : 295.91 = 94.66 : x
  2. Step 2: Convert to fraction form
    197.41/295.91 = 94.66/x
  3. Step 3: Cross multiply
    197.41x = 295.91 × 94.66
  4. Step 4: Simplify right side
    197.41x = 28,010.34
  5. Step 5: Solve for x
    x = 28,010.34/197.41
  6. Step 6: Final answer
    x = 141.89

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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.