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Finding the Fourth Proportional to 79,018.56, 109,045.72 and 43,208.72

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Solution

The fourth proportional to 79,018.56, 109,045.72 and 43,208.72 is: 59,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,018.56 : 109,045.72 = 43,208.72 : x
  2. Step 2: Convert to fraction form
    79,018.56/109,045.72 = 43,208.72/x
  3. Step 3: Cross multiply
    79,018.56x = 109,045.72 × 43,208.72
  4. Step 4: Simplify right side
    79,018.56x = 4,711,725,982.68
  5. Step 5: Solve for x
    x = 4,711,725,982.68/79,018.56
  6. Step 6: Final answer
    x = 59,628.09

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