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Finding the Fourth Proportional to 104,727.15, 144,524.10 and 56,980.85

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Solution

The fourth proportional to 104,727.15, 144,524.10 and 56,980.85 is: 78,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,727.15 : 144,524.10 = 56,980.85 : x
  2. Step 2: Convert to fraction form
    104,727.15/144,524.10 = 56,980.85/x
  3. Step 3: Cross multiply
    104,727.15x = 144,524.10 × 56,980.85
  4. Step 4: Simplify right side
    104,727.15x = 8,235,105,340.86
  5. Step 5: Solve for x
    x = 8,235,105,340.86/104,727.15
  6. Step 6: Final answer
    x = 78,633.91

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