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Finding the Fourth Proportional to 240.50, 360.94 and 112.26

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Solution

The fourth proportional to 240.50, 360.94 and 112.26 is: 168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.50 : 360.94 = 112.26 : x
  2. Step 2: Convert to fraction form
    240.50/360.94 = 112.26/x
  3. Step 3: Cross multiply
    240.50x = 360.94 × 112.26
  4. Step 4: Simplify right side
    240.50x = 40,519.12
  5. Step 5: Solve for x
    x = 40,519.12/240.50
  6. Step 6: Final answer
    x = 168.48

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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.