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Finding the Fourth Proportional to 240.83, 361.19 and 104.00

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Solution

The fourth proportional to 240.83, 361.19 and 104.00 is: 155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.83 : 361.19 = 104.00 : x
  2. Step 2: Convert to fraction form
    240.83/361.19 = 104.00/x
  3. Step 3: Cross multiply
    240.83x = 361.19 × 104.00
  4. Step 4: Simplify right side
    240.83x = 37,561.43
  5. Step 5: Solve for x
    x = 37,561.43/240.83
  6. Step 6: Final answer
    x = 155.97

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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.