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Finding the Fourth Proportional to 240.22, 360.48 and 103.27

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Solution

The fourth proportional to 240.22, 360.48 and 103.27 is: 154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.22 : 360.48 = 103.27 : x
  2. Step 2: Convert to fraction form
    240.22/360.48 = 103.27/x
  3. Step 3: Cross multiply
    240.22x = 360.48 × 103.27
  4. Step 4: Simplify right side
    240.22x = 37,226.77
  5. Step 5: Solve for x
    x = 37,226.77/240.22
  6. Step 6: Final answer
    x = 154.97

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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.