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Finding the Fourth Proportional to 240.57, 360.85 and 96.25

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Solution

The fourth proportional to 240.57, 360.85 and 96.25 is: 144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.57 : 360.85 = 96.25 : x
  2. Step 2: Convert to fraction form
    240.57/360.85 = 96.25/x
  3. Step 3: Cross multiply
    240.57x = 360.85 × 96.25
  4. Step 4: Simplify right side
    240.57x = 34,731.81
  5. Step 5: Solve for x
    x = 34,731.81/240.57
  6. Step 6: Final answer
    x = 144.37

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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.