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Finding the Fourth Proportional to 198.02, 273.23 and 110.70

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Solution

The fourth proportional to 198.02, 273.23 and 110.70 is: 152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.02 : 273.23 = 110.70 : x
  2. Step 2: Convert to fraction form
    198.02/273.23 = 110.70/x
  3. Step 3: Cross multiply
    198.02x = 273.23 × 110.70
  4. Step 4: Simplify right side
    198.02x = 30,246.56
  5. Step 5: Solve for x
    x = 30,246.56/198.02
  6. Step 6: Final answer
    x = 152.74

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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.