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Finding the Fourth Proportional to 96,998.53, 133,837.90 and 56,704.50

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Solution

The fourth proportional to 96,998.53, 133,837.90 and 56,704.50 is: 78,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,998.53 : 133,837.90 = 56,704.50 : x
  2. Step 2: Convert to fraction form
    96,998.53/133,837.90 = 56,704.50/x
  3. Step 3: Cross multiply
    96,998.53x = 133,837.90 × 56,704.50
  4. Step 4: Simplify right side
    96,998.53x = 7,589,211,200.55
  5. Step 5: Solve for x
    x = 7,589,211,200.55/96,998.53
  6. Step 6: Final answer
    x = 78,240.48

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