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Finding the Fourth Proportional to 240.44, 360.42 and 118.52

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Solution

The fourth proportional to 240.44, 360.42 and 118.52 is: 177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.44 : 360.42 = 118.52 : x
  2. Step 2: Convert to fraction form
    240.44/360.42 = 118.52/x
  3. Step 3: Cross multiply
    240.44x = 360.42 × 118.52
  4. Step 4: Simplify right side
    240.44x = 42,716.98
  5. Step 5: Solve for x
    x = 42,716.98/240.44
  6. Step 6: Final answer
    x = 177.66

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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.