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Finding the Fourth Proportional to 240.99, 361.62 and 104.02

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Solution

The fourth proportional to 240.99, 361.62 and 104.02 is: 156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.99 : 361.62 = 104.02 : x
  2. Step 2: Convert to fraction form
    240.99/361.62 = 104.02/x
  3. Step 3: Cross multiply
    240.99x = 361.62 × 104.02
  4. Step 4: Simplify right side
    240.99x = 37,615.71
  5. Step 5: Solve for x
    x = 37,615.71/240.99
  6. Step 6: Final answer
    x = 156.09

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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.