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Finding the Fourth Proportional to 77,874.16, 107,380.92 and 52,679.92

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Solution

The fourth proportional to 77,874.16, 107,380.92 and 52,679.92 is: 72,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,874.16 : 107,380.92 = 52,679.92 : x
  2. Step 2: Convert to fraction form
    77,874.16/107,380.92 = 52,679.92/x
  3. Step 3: Cross multiply
    77,874.16x = 107,380.92 × 52,679.92
  4. Step 4: Simplify right side
    77,874.16x = 5,656,818,275.13
  5. Step 5: Solve for x
    x = 5,656,818,275.13/77,874.16
  6. Step 6: Final answer
    x = 72,640.50

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