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Finding the Fourth Proportional to 375.51, 563.30 and 132.02

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Solution

The fourth proportional to 375.51, 563.30 and 132.02 is: 198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.51 : 563.30 = 132.02 : x
  2. Step 2: Convert to fraction form
    375.51/563.30 = 132.02/x
  3. Step 3: Cross multiply
    375.51x = 563.30 × 132.02
  4. Step 4: Simplify right side
    375.51x = 74,366.87
  5. Step 5: Solve for x
    x = 74,366.87/375.51
  6. Step 6: Final answer
    x = 198.04

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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.