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Finding the Fourth Proportional to 111.99, 168.01 and 34.94

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Solution

The fourth proportional to 111.99, 168.01 and 34.94 is: 52.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.99 : 168.01 = 34.94 : x
  2. Step 2: Convert to fraction form
    111.99/168.01 = 34.94/x
  3. Step 3: Cross multiply
    111.99x = 168.01 × 34.94
  4. Step 4: Simplify right side
    111.99x = 5,870.18
  5. Step 5: Solve for x
    x = 5,870.18/111.99
  6. Step 6: Final answer
    x = 52.42

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