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Finding the Fourth Proportional to 79,086.87, 109,139.74 and 43,276.88

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Solution

The fourth proportional to 79,086.87, 109,139.74 and 43,276.88 is: 59,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,086.87 : 109,139.74 = 43,276.88 : x
  2. Step 2: Convert to fraction form
    79,086.87/109,139.74 = 43,276.88/x
  3. Step 3: Cross multiply
    79,086.87x = 109,139.74 × 43,276.88
  4. Step 4: Simplify right side
    79,086.87x = 4,723,227,595.87
  5. Step 5: Solve for x
    x = 4,723,227,595.87/79,086.87
  6. Step 6: Final answer
    x = 59,722.02

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