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Finding the Fourth Proportional to 198.01, 296.73 and 146.24

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Solution

The fourth proportional to 198.01, 296.73 and 146.24 is: 219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.01 : 296.73 = 146.24 : x
  2. Step 2: Convert to fraction form
    198.01/296.73 = 146.24/x
  3. Step 3: Cross multiply
    198.01x = 296.73 × 146.24
  4. Step 4: Simplify right side
    198.01x = 43,393.80
  5. Step 5: Solve for x
    x = 43,393.80/198.01
  6. Step 6: Final answer
    x = 219.15

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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.