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Finding the Fourth Proportional to 81,581.94, 112,584.81 and 45,774.54

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Solution

The fourth proportional to 81,581.94, 112,584.81 and 45,774.54 is: 63,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,581.94 : 112,584.81 = 45,774.54 : x
  2. Step 2: Convert to fraction form
    81,581.94/112,584.81 = 45,774.54/x
  3. Step 3: Cross multiply
    81,581.94x = 112,584.81 × 45,774.54
  4. Step 4: Simplify right side
    81,581.94x = 5,153,517,888.74
  5. Step 5: Solve for x
    x = 5,153,517,888.74/81,581.94
  6. Step 6: Final answer
    x = 63,169.84

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