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Finding the Fourth Proportional to 193,260.26, 289,976.70 and 74,940.86

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Solution

The fourth proportional to 193,260.26, 289,976.70 and 74,940.86 is: 112,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,260.26 : 289,976.70 = 74,940.86 : x
  2. Step 2: Convert to fraction form
    193,260.26/289,976.70 = 74,940.86/x
  3. Step 3: Cross multiply
    193,260.26x = 289,976.70 × 74,940.86
  4. Step 4: Simplify right side
    193,260.26x = 21,731,103,277.96
  5. Step 5: Solve for x
    x = 21,731,103,277.96/193,260.26
  6. Step 6: Final answer
    x = 112,444.76

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