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Finding the Fourth Proportional to 240.44, 360.45 and 118.73

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Solution

The fourth proportional to 240.44, 360.45 and 118.73 is: 178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.44 : 360.45 = 118.73 : x
  2. Step 2: Convert to fraction form
    240.44/360.45 = 118.73/x
  3. Step 3: Cross multiply
    240.44x = 360.45 × 118.73
  4. Step 4: Simplify right side
    240.44x = 42,797.13
  5. Step 5: Solve for x
    x = 42,797.13/240.44
  6. Step 6: Final answer
    x = 178.00

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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.