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Finding the Fourth Proportional to 85,449.44, 117,920.48 and 47,725.12

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Solution

The fourth proportional to 85,449.44, 117,920.48 and 47,725.12 is: 65,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,449.44 : 117,920.48 = 47,725.12 : x
  2. Step 2: Convert to fraction form
    85,449.44/117,920.48 = 47,725.12/x
  3. Step 3: Cross multiply
    85,449.44x = 117,920.48 × 47,725.12
  4. Step 4: Simplify right side
    85,449.44x = 5,627,769,058.46
  5. Step 5: Solve for x
    x = 5,627,769,058.46/85,449.44
  6. Step 6: Final answer
    x = 65,860.81

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