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Finding the Fourth Proportional to 68,080.07, 101,945.14 and 41,704.85

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Solution

The fourth proportional to 68,080.07, 101,945.14 and 41,704.85 is: 62,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,080.07 : 101,945.14 = 41,704.85 : x
  2. Step 2: Convert to fraction form
    68,080.07/101,945.14 = 41,704.85/x
  3. Step 3: Cross multiply
    68,080.07x = 101,945.14 × 41,704.85
  4. Step 4: Simplify right side
    68,080.07x = 4,251,606,157.94
  5. Step 5: Solve for x
    x = 4,251,606,157.94/68,080.07
  6. Step 6: Final answer
    x = 62,450.09

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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.