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Finding the Fourth Proportional to 78,659.81, 117,898.15 and 44,949.45

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Solution

The fourth proportional to 78,659.81, 117,898.15 and 44,949.45 is: 67,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,659.81 : 117,898.15 = 44,949.45 : x
  2. Step 2: Convert to fraction form
    78,659.81/117,898.15 = 44,949.45/x
  3. Step 3: Cross multiply
    78,659.81x = 117,898.15 × 44,949.45
  4. Step 4: Simplify right side
    78,659.81x = 5,299,456,749.37
  5. Step 5: Solve for x
    x = 5,299,456,749.37/78,659.81
  6. Step 6: Final answer
    x = 67,371.85

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