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Finding the Fourth Proportional to 115,700.09, 159,619.02 and 75,399.17

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Solution

The fourth proportional to 115,700.09, 159,619.02 and 75,399.17 is: 104,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,700.09 : 159,619.02 = 75,399.17 : x
  2. Step 2: Convert to fraction form
    115,700.09/159,619.02 = 75,399.17/x
  3. Step 3: Cross multiply
    115,700.09x = 159,619.02 × 75,399.17
  4. Step 4: Simplify right side
    115,700.09x = 12,035,141,624.21
  5. Step 5: Solve for x
    x = 12,035,141,624.21/115,700.09
  6. Step 6: Final answer
    x = 104,020.16

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