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Finding the Fourth Proportional to 250.56, 375.13 and 134.74

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Solution

The fourth proportional to 250.56, 375.13 and 134.74 is: 201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.56 : 375.13 = 134.74 : x
  2. Step 2: Convert to fraction form
    250.56/375.13 = 134.74/x
  3. Step 3: Cross multiply
    250.56x = 375.13 × 134.74
  4. Step 4: Simplify right side
    250.56x = 50,545.02
  5. Step 5: Solve for x
    x = 50,545.02/250.56
  6. Step 6: Final answer
    x = 201.73

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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.