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Finding the Fourth Proportional to 240.84, 361.04 and 94.56

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Solution

The fourth proportional to 240.84, 361.04 and 94.56 is: 141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.84 : 361.04 = 94.56 : x
  2. Step 2: Convert to fraction form
    240.84/361.04 = 94.56/x
  3. Step 3: Cross multiply
    240.84x = 361.04 × 94.56
  4. Step 4: Simplify right side
    240.84x = 34,139.94
  5. Step 5: Solve for x
    x = 34,139.94/240.84
  6. Step 6: Final answer
    x = 141.75

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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.