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Finding the Fourth Proportional to 240.98, 361.57 and 119.24

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Solution

The fourth proportional to 240.98, 361.57 and 119.24 is: 178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.98 : 361.57 = 119.24 : x
  2. Step 2: Convert to fraction form
    240.98/361.57 = 119.24/x
  3. Step 3: Cross multiply
    240.98x = 361.57 × 119.24
  4. Step 4: Simplify right side
    240.98x = 43,113.61
  5. Step 5: Solve for x
    x = 43,113.61/240.98
  6. Step 6: Final answer
    x = 178.91

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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.