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Finding the Fourth Proportional to 135,787.86, 187,388.91 and 75,364.43

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Solution

The fourth proportional to 135,787.86, 187,388.91 and 75,364.43 is: 104,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,787.86 : 187,388.91 = 75,364.43 : x
  2. Step 2: Convert to fraction form
    135,787.86/187,388.91 = 75,364.43/x
  3. Step 3: Cross multiply
    135,787.86x = 187,388.91 × 75,364.43
  4. Step 4: Simplify right side
    135,787.86x = 14,122,457,453.53
  5. Step 5: Solve for x
    x = 14,122,457,453.53/135,787.86
  6. Step 6: Final answer
    x = 104,003.83

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