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Finding the Fourth Proportional to 57,127.72, 78,828.78 and 33,258.64

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Solution

The fourth proportional to 57,127.72, 78,828.78 and 33,258.64 is: 45,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.72 : 78,828.78 = 33,258.64 : x
  2. Step 2: Convert to fraction form
    57,127.72/78,828.78 = 33,258.64/x
  3. Step 3: Cross multiply
    57,127.72x = 78,828.78 × 33,258.64
  4. Step 4: Simplify right side
    57,127.72x = 2,621,738,015.66
  5. Step 5: Solve for x
    x = 2,621,738,015.66/57,127.72
  6. Step 6: Final answer
    x = 45,892.57

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