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Finding the Fourth Proportional to 79,213.69, 109,314.89 and 43,405.11

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Solution

The fourth proportional to 79,213.69, 109,314.89 and 43,405.11 is: 59,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,213.69 : 109,314.89 = 43,405.11 : x
  2. Step 2: Convert to fraction form
    79,213.69/109,314.89 = 43,405.11/x
  3. Step 3: Cross multiply
    79,213.69x = 109,314.89 × 43,405.11
  4. Step 4: Simplify right side
    79,213.69x = 4,744,824,933.60
  5. Step 5: Solve for x
    x = 4,744,824,933.60/79,213.69
  6. Step 6: Final answer
    x = 59,899.05

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