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Finding the Fourth Proportional to 91,331.95, 136,997.94 and 59,768.59

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Solution

The fourth proportional to 91,331.95, 136,997.94 and 59,768.59 is: 89,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,331.95 : 136,997.94 = 59,768.59 : x
  2. Step 2: Convert to fraction form
    91,331.95/136,997.94 = 59,768.59/x
  3. Step 3: Cross multiply
    91,331.95x = 136,997.94 × 59,768.59
  4. Step 4: Simplify right side
    91,331.95x = 8,188,173,706.70
  5. Step 5: Solve for x
    x = 8,188,173,706.70/91,331.95
  6. Step 6: Final answer
    x = 89,652.89

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