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Finding the Fourth Proportional to 240.67, 360.10 and 163.67

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Solution

The fourth proportional to 240.67, 360.10 and 163.67 is: 244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.67 : 360.10 = 163.67 : x
  2. Step 2: Convert to fraction form
    240.67/360.10 = 163.67/x
  3. Step 3: Cross multiply
    240.67x = 360.10 × 163.67
  4. Step 4: Simplify right side
    240.67x = 58,937.08
  5. Step 5: Solve for x
    x = 58,937.08/240.67
  6. Step 6: Final answer
    x = 244.89

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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.