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Finding the Fourth Proportional to 132.01, 198.03 and 50.84

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Solution

The fourth proportional to 132.01, 198.03 and 50.84 is: 76.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.01 : 198.03 = 50.84 : x
  2. Step 2: Convert to fraction form
    132.01/198.03 = 50.84/x
  3. Step 3: Cross multiply
    132.01x = 198.03 × 50.84
  4. Step 4: Simplify right side
    132.01x = 10,068.62
  5. Step 5: Solve for x
    x = 10,068.62/132.01
  6. Step 6: Final answer
    x = 76.27

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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.