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Finding the Fourth Proportional to 79,118.72, 109,181.40 and 43,308.08

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Solution

The fourth proportional to 79,118.72, 109,181.40 and 43,308.08 is: 59,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,118.72 : 109,181.40 = 43,308.08 : x
  2. Step 2: Convert to fraction form
    79,118.72/109,181.40 = 43,308.08/x
  3. Step 3: Cross multiply
    79,118.72x = 109,181.40 × 43,308.08
  4. Step 4: Simplify right side
    79,118.72x = 4,728,436,805.71
  5. Step 5: Solve for x
    x = 4,728,436,805.71/79,118.72
  6. Step 6: Final answer
    x = 59,763.82

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