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Finding the Fourth Proportional to 375.68, 563.56 and 132.14

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Solution

The fourth proportional to 375.68, 563.56 and 132.14 is: 198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.68 : 563.56 = 132.14 : x
  2. Step 2: Convert to fraction form
    375.68/563.56 = 132.14/x
  3. Step 3: Cross multiply
    375.68x = 563.56 × 132.14
  4. Step 4: Simplify right side
    375.68x = 74,468.82
  5. Step 5: Solve for x
    x = 74,468.82/375.68
  6. Step 6: Final answer
    x = 198.22

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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.