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Finding the Fourth Proportional to 79,088.82, 109,142.58 and 43,278.83

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Solution

The fourth proportional to 79,088.82, 109,142.58 and 43,278.83 is: 59,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,088.82 : 109,142.58 = 43,278.83 : x
  2. Step 2: Convert to fraction form
    79,088.82/109,142.58 = 43,278.83/x
  3. Step 3: Cross multiply
    79,088.82x = 109,142.58 × 43,278.83
  4. Step 4: Simplify right side
    79,088.82x = 4,723,562,619.87
  5. Step 5: Solve for x
    x = 4,723,562,619.87/79,088.82
  6. Step 6: Final answer
    x = 59,724.78

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