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Finding the Fourth Proportional to 250.73, 376.10 and 113.74

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Solution

The fourth proportional to 250.73, 376.10 and 113.74 is: 170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.73 : 376.10 = 113.74 : x
  2. Step 2: Convert to fraction form
    250.73/376.10 = 113.74/x
  3. Step 3: Cross multiply
    250.73x = 376.10 × 113.74
  4. Step 4: Simplify right side
    250.73x = 42,777.61
  5. Step 5: Solve for x
    x = 42,777.61/250.73
  6. Step 6: Final answer
    x = 170.61

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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.