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Finding the Fourth Proportional to 79,091.63, 109,142.94 and 43,283.15

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Solution

The fourth proportional to 79,091.63, 109,142.94 and 43,283.15 is: 59,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,091.63 : 109,142.94 = 43,283.15 : x
  2. Step 2: Convert to fraction form
    79,091.63/109,142.94 = 43,283.15/x
  3. Step 3: Cross multiply
    79,091.63x = 109,142.94 × 43,283.15
  4. Step 4: Simplify right side
    79,091.63x = 4,724,049,697.75
  5. Step 5: Solve for x
    x = 4,724,049,697.75/79,091.63
  6. Step 6: Final answer
    x = 59,728.82

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