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Finding the Fourth Proportional to 79,198.96, 109,294.32 and 43,390.12

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Solution

The fourth proportional to 79,198.96, 109,294.32 and 43,390.12 is: 59,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198.96 : 109,294.32 = 43,390.12 : x
  2. Step 2: Convert to fraction form
    79,198.96/109,294.32 = 43,390.12/x
  3. Step 3: Cross multiply
    79,198.96x = 109,294.32 × 43,390.12
  4. Step 4: Simplify right side
    79,198.96x = 4,742,293,660.12
  5. Step 5: Solve for x
    x = 4,742,293,660.12/79,198.96
  6. Step 6: Final answer
    x = 59,878.23

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