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Finding the Fourth Proportional to 376.11, 564.10 and 132.59

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Solution

The fourth proportional to 376.11, 564.10 and 132.59 is: 198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.11 : 564.10 = 132.59 : x
  2. Step 2: Convert to fraction form
    376.11/564.10 = 132.59/x
  3. Step 3: Cross multiply
    376.11x = 564.10 × 132.59
  4. Step 4: Simplify right side
    376.11x = 74,795.10
  5. Step 5: Solve for x
    x = 74,795.10/376.11
  6. Step 6: Final answer
    x = 198.86

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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.