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Finding the Fourth Proportional to 78,484.56, 117,724.19 and 34,111.32

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Solution

The fourth proportional to 78,484.56, 117,724.19 and 34,111.32 is: 51,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,484.56 : 117,724.19 = 34,111.32 : x
  2. Step 2: Convert to fraction form
    78,484.56/117,724.19 = 34,111.32/x
  3. Step 3: Cross multiply
    78,484.56x = 117,724.19 × 34,111.32
  4. Step 4: Simplify right side
    78,484.56x = 4,015,727,032.73
  5. Step 5: Solve for x
    x = 4,015,727,032.73/78,484.56
  6. Step 6: Final answer
    x = 51,165.82

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