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Finding the Fourth Proportional to 81,172.06, 112,022.64 and 45,362.22

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Solution

The fourth proportional to 81,172.06, 112,022.64 and 45,362.22 is: 62,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,172.06 : 112,022.64 = 45,362.22 : x
  2. Step 2: Convert to fraction form
    81,172.06/112,022.64 = 45,362.22/x
  3. Step 3: Cross multiply
    81,172.06x = 112,022.64 × 45,362.22
  4. Step 4: Simplify right side
    81,172.06x = 5,081,595,640.66
  5. Step 5: Solve for x
    x = 5,081,595,640.66/81,172.06
  6. Step 6: Final answer
    x = 62,602.77

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