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Finding the Fourth Proportional to 240.97, 361.51 and 96.69

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Solution

The fourth proportional to 240.97, 361.51 and 96.69 is: 145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.97 : 361.51 = 96.69 : x
  2. Step 2: Convert to fraction form
    240.97/361.51 = 96.69/x
  3. Step 3: Cross multiply
    240.97x = 361.51 × 96.69
  4. Step 4: Simplify right side
    240.97x = 34,953.92
  5. Step 5: Solve for x
    x = 34,953.92/240.97
  6. Step 6: Final answer
    x = 145.06

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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.