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Finding the Fourth Proportional to 250.67, 376.00 and 113.30

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Solution

The fourth proportional to 250.67, 376.00 and 113.30 is: 169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.67 : 376.00 = 113.30 : x
  2. Step 2: Convert to fraction form
    250.67/376.00 = 113.30/x
  3. Step 3: Cross multiply
    250.67x = 376.00 × 113.30
  4. Step 4: Simplify right side
    250.67x = 42,600.84
  5. Step 5: Solve for x
    x = 42,600.84/250.67
  6. Step 6: Final answer
    x = 169.95

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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.