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Finding the Fourth Proportional to 240.84, 361.36 and 112.52

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Solution

The fourth proportional to 240.84, 361.36 and 112.52 is: 168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.84 : 361.36 = 112.52 : x
  2. Step 2: Convert to fraction form
    240.84/361.36 = 112.52/x
  3. Step 3: Cross multiply
    240.84x = 361.36 × 112.52
  4. Step 4: Simplify right side
    240.84x = 40,660.23
  5. Step 5: Solve for x
    x = 40,660.23/240.84
  6. Step 6: Final answer
    x = 168.83

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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.