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Finding the Fourth Proportional to 194.76, 292.05 and 133.97

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Solution

The fourth proportional to 194.76, 292.05 and 133.97 is: 200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.76 : 292.05 = 133.97 : x
  2. Step 2: Convert to fraction form
    194.76/292.05 = 133.97/x
  3. Step 3: Cross multiply
    194.76x = 292.05 × 133.97
  4. Step 4: Simplify right side
    194.76x = 39,124.48
  5. Step 5: Solve for x
    x = 39,124.48/194.76
  6. Step 6: Final answer
    x = 200.89

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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.