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Finding the Fourth Proportional to 81,077.52, 111,898.20 and 45,269.82

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Solution

The fourth proportional to 81,077.52, 111,898.20 and 45,269.82 is: 62,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,077.52 : 111,898.20 = 45,269.82 : x
  2. Step 2: Convert to fraction form
    81,077.52/111,898.20 = 45,269.82/x
  3. Step 3: Cross multiply
    81,077.52x = 111,898.20 × 45,269.82
  4. Step 4: Simplify right side
    81,077.52x = 5,065,611,372.32
  5. Step 5: Solve for x
    x = 5,065,611,372.32/81,077.52
  6. Step 6: Final answer
    x = 62,478.62

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