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Finding the Fourth Proportional to 53,403.80, 80,110.25 and 13,960.85

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Solution

The fourth proportional to 53,403.80, 80,110.25 and 13,960.85 is: 20,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.80 : 80,110.25 = 13,960.85 : x
  2. Step 2: Convert to fraction form
    53,403.80/80,110.25 = 13,960.85/x
  3. Step 3: Cross multiply
    53,403.80x = 80,110.25 × 13,960.85
  4. Step 4: Simplify right side
    53,403.80x = 1,118,406,713.36
  5. Step 5: Solve for x
    x = 1,118,406,713.36/53,403.80
  6. Step 6: Final answer
    x = 20,942.46

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