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Finding the Fourth Proportional to 208,194.45, 312,100.32 and 75,042.12

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Solution

The fourth proportional to 208,194.45, 312,100.32 and 75,042.12 is: 112,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,194.45 : 312,100.32 = 75,042.12 : x
  2. Step 2: Convert to fraction form
    208,194.45/312,100.32 = 75,042.12/x
  3. Step 3: Cross multiply
    208,194.45x = 312,100.32 × 75,042.12
  4. Step 4: Simplify right side
    208,194.45x = 23,420,669,665.48
  5. Step 5: Solve for x
    x = 23,420,669,665.48/208,194.45
  6. Step 6: Final answer
    x = 112,494.21

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