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Finding the Fourth Proportional to 240.66, 360.98 and 96.38

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Solution

The fourth proportional to 240.66, 360.98 and 96.38 is: 144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.66 : 360.98 = 96.38 : x
  2. Step 2: Convert to fraction form
    240.66/360.98 = 96.38/x
  3. Step 3: Cross multiply
    240.66x = 360.98 × 96.38
  4. Step 4: Simplify right side
    240.66x = 34,788.97
  5. Step 5: Solve for x
    x = 34,788.97/240.66
  6. Step 6: Final answer
    x = 144.56

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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.