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Finding the Fourth Proportional to 151,710.86, 209,317.83 and 91,251.26

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Solution

The fourth proportional to 151,710.86, 209,317.83 and 91,251.26 is: 125,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,710.86 : 209,317.83 = 91,251.26 : x
  2. Step 2: Convert to fraction form
    151,710.86/209,317.83 = 91,251.26/x
  3. Step 3: Cross multiply
    151,710.86x = 209,317.83 × 91,251.26
  4. Step 4: Simplify right side
    151,710.86x = 19,100,515,727.97
  5. Step 5: Solve for x
    x = 19,100,515,727.97/151,710.86
  6. Step 6: Final answer
    x = 125,900.78

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