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Finding the Fourth Proportional to 109,251.29, 163,876.93 and 39,179.81

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Solution

The fourth proportional to 109,251.29, 163,876.93 and 39,179.81 is: 58,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,251.29 : 163,876.93 = 39,179.81 : x
  2. Step 2: Convert to fraction form
    109,251.29/163,876.93 = 39,179.81/x
  3. Step 3: Cross multiply
    109,251.29x = 163,876.93 × 39,179.81
  4. Step 4: Simplify right side
    109,251.29x = 6,420,666,161.40
  5. Step 5: Solve for x
    x = 6,420,666,161.40/109,251.29
  6. Step 6: Final answer
    x = 58,769.71

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