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Finding the Fourth Proportional to 192,741.15, 289,161.54 and 74,380.71

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Solution

The fourth proportional to 192,741.15, 289,161.54 and 74,380.71 is: 111,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,741.15 : 289,161.54 = 74,380.71 : x
  2. Step 2: Convert to fraction form
    192,741.15/289,161.54 = 74,380.71/x
  3. Step 3: Cross multiply
    192,741.15x = 289,161.54 × 74,380.71
  4. Step 4: Simplify right side
    192,741.15x = 21,508,040,649.89
  5. Step 5: Solve for x
    x = 21,508,040,649.89/192,741.15
  6. Step 6: Final answer
    x = 111,590.29

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