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Finding the Fourth Proportional to 67,978,734.72, 102,015,194.04 and 27,033,978.48

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Solution

The fourth proportional to 67,978,734.72, 102,015,194.04 and 27,033,978.48 is: 40,569,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,978,734.72 : 102,015,194.04 = 27,033,978.48 : x
  2. Step 2: Convert to fraction form
    67,978,734.72/102,015,194.04 = 27,033,978.48/x
  3. Step 3: Cross multiply
    67,978,734.72x = 102,015,194.04 × 27,033,978.48
  4. Step 4: Simplify right side
    67,978,734.72x = 2,757,876,560,310,384.50
  5. Step 5: Solve for x
    x = 2,757,876,560,310,384.50/67,978,734.72
  6. Step 6: Final answer
    x = 40,569,695.39

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Why These Related Problems?

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