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Finding the Fourth Proportional to 99,156.24, 136,796.04 and 63,336.96

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Solution

The fourth proportional to 99,156.24, 136,796.04 and 63,336.96 is: 87,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156.24 : 136,796.04 = 63,336.96 : x
  2. Step 2: Convert to fraction form
    99,156.24/136,796.04 = 63,336.96/x
  3. Step 3: Cross multiply
    99,156.24x = 136,796.04 × 63,336.96
  4. Step 4: Simplify right side
    99,156.24x = 8,664,245,313.64
  5. Step 5: Solve for x
    x = 8,664,245,313.64/99,156.24
  6. Step 6: Final answer
    x = 87,379.73

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