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Finding the Fourth Proportional to 191.98, 264.92 and 122.04

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Solution

The fourth proportional to 191.98, 264.92 and 122.04 is: 168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.98 : 264.92 = 122.04 : x
  2. Step 2: Convert to fraction form
    191.98/264.92 = 122.04/x
  3. Step 3: Cross multiply
    191.98x = 264.92 × 122.04
  4. Step 4: Simplify right side
    191.98x = 32,330.84
  5. Step 5: Solve for x
    x = 32,330.84/191.98
  6. Step 6: Final answer
    x = 168.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.