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Finding the Fourth Proportional to 85,771.50, 118,350.88 and 53,917.84

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Solution

The fourth proportional to 85,771.50, 118,350.88 and 53,917.84 is: 74,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,771.50 : 118,350.88 = 53,917.84 : x
  2. Step 2: Convert to fraction form
    85,771.50/118,350.88 = 53,917.84/x
  3. Step 3: Cross multiply
    85,771.50x = 118,350.88 × 53,917.84
  4. Step 4: Simplify right side
    85,771.50x = 6,381,223,811.70
  5. Step 5: Solve for x
    x = 6,381,223,811.70/85,771.50
  6. Step 6: Final answer
    x = 74,397.95

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