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Finding the Fourth Proportional to 68,007.13, 93,843.87 and 37,790.54

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Solution

The fourth proportional to 68,007.13, 93,843.87 and 37,790.54 is: 52,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,007.13 : 93,843.87 = 37,790.54 : x
  2. Step 2: Convert to fraction form
    68,007.13/93,843.87 = 37,790.54/x
  3. Step 3: Cross multiply
    68,007.13x = 93,843.87 × 37,790.54
  4. Step 4: Simplify right side
    68,007.13x = 3,546,410,522.99
  5. Step 5: Solve for x
    x = 3,546,410,522.99/68,007.13
  6. Step 6: Final answer
    x = 52,147.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.