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Finding the Fourth Proportional to 107,311.67, 160,991.81 and 57,365.45

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Solution

The fourth proportional to 107,311.67, 160,991.81 and 57,365.45 is: 86,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,311.67 : 160,991.81 = 57,365.45 : x
  2. Step 2: Convert to fraction form
    107,311.67/160,991.81 = 57,365.45/x
  3. Step 3: Cross multiply
    107,311.67x = 160,991.81 × 57,365.45
  4. Step 4: Simplify right side
    107,311.67x = 9,235,367,626.96
  5. Step 5: Solve for x
    x = 9,235,367,626.96/107,311.67
  6. Step 6: Final answer
    x = 86,061.17

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