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Finding the Fourth Proportional to 375.55, 563.33 and 132.08

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Solution

The fourth proportional to 375.55, 563.33 and 132.08 is: 198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.55 : 563.33 = 132.08 : x
  2. Step 2: Convert to fraction form
    375.55/563.33 = 132.08/x
  3. Step 3: Cross multiply
    375.55x = 563.33 × 132.08
  4. Step 4: Simplify right side
    375.55x = 74,402.89
  5. Step 5: Solve for x
    x = 74,402.89/375.55
  6. Step 6: Final answer
    x = 198.12

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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.