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Finding the Fourth Proportional to 259,321.91, 388,995.01 and 126,043.29

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Solution

The fourth proportional to 259,321.91, 388,995.01 and 126,043.29 is: 189,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,321.91 : 388,995.01 = 126,043.29 : x
  2. Step 2: Convert to fraction form
    259,321.91/388,995.01 = 126,043.29/x
  3. Step 3: Cross multiply
    259,321.91x = 388,995.01 × 126,043.29
  4. Step 4: Simplify right side
    259,321.91x = 49,030,210,538.87
  5. Step 5: Solve for x
    x = 49,030,210,538.87/259,321.91
  6. Step 6: Final answer
    x = 189,070.84

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