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Finding the Fourth Proportional to 198.05, 273.53 and 183.01

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Solution

The fourth proportional to 198.05, 273.53 and 183.01 is: 252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.05 : 273.53 = 183.01 : x
  2. Step 2: Convert to fraction form
    198.05/273.53 = 183.01/x
  3. Step 3: Cross multiply
    198.05x = 273.53 × 183.01
  4. Step 4: Simplify right side
    198.05x = 50,057.98
  5. Step 5: Solve for x
    x = 50,057.98/198.05
  6. Step 6: Final answer
    x = 252.76

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Why These Related Problems?

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