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Finding the Fourth Proportional to 158,187.87, 218,292.23 and 86,570.91

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Solution

The fourth proportional to 158,187.87, 218,292.23 and 86,570.91 is: 119,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,187.87 : 218,292.23 = 86,570.91 : x
  2. Step 2: Convert to fraction form
    158,187.87/218,292.23 = 86,570.91/x
  3. Step 3: Cross multiply
    158,187.87x = 218,292.23 × 86,570.91
  4. Step 4: Simplify right side
    158,187.87x = 18,897,757,213.46
  5. Step 5: Solve for x
    x = 18,897,757,213.46/158,187.87
  6. Step 6: Final answer
    x = 119,464.01

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