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Finding the Fourth Proportional to 59,865.72, 89,963 and 55,965.12

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Solution

The fourth proportional to 59,865.72, 89,963 and 55,965.12 is: 84,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,865.72 : 89,963 = 55,965.12 : x
  2. Step 2: Convert to fraction form
    59,865.72/89,963 = 55,965.12/x
  3. Step 3: Cross multiply
    59,865.72x = 89,963 × 55,965.12
  4. Step 4: Simplify right side
    59,865.72x = 5,034,790,090.56
  5. Step 5: Solve for x
    x = 5,034,790,090.56/59,865.72
  6. Step 6: Final answer
    x = 84,101.39

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