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Finding the Fourth Proportional to 250.48, 375.89 and 96.50

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Solution

The fourth proportional to 250.48, 375.89 and 96.50 is: 144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.48 : 375.89 = 96.50 : x
  2. Step 2: Convert to fraction form
    250.48/375.89 = 96.50/x
  3. Step 3: Cross multiply
    250.48x = 375.89 × 96.50
  4. Step 4: Simplify right side
    250.48x = 36,273.39
  5. Step 5: Solve for x
    x = 36,273.39/250.48
  6. Step 6: Final answer
    x = 144.82

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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.