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Finding the Fourth Proportional to 82,019.43, 112,448.63 and 80,524.76

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Solution

The fourth proportional to 82,019.43, 112,448.63 and 80,524.76 is: 110,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,019.43 : 112,448.63 = 80,524.76 : x
  2. Step 2: Convert to fraction form
    82,019.43/112,448.63 = 80,524.76/x
  3. Step 3: Cross multiply
    82,019.43x = 112,448.63 × 80,524.76
  4. Step 4: Simplify right side
    82,019.43x = 9,054,898,943.08
  5. Step 5: Solve for x
    x = 9,054,898,943.08/82,019.43
  6. Step 6: Final answer
    x = 110,399.44

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