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Finding the Fourth Proportional to 83,749.53, 115,561.32 and 49,757.13

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Solution

The fourth proportional to 83,749.53, 115,561.32 and 49,757.13 is: 68,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,749.53 : 115,561.32 = 49,757.13 : x
  2. Step 2: Convert to fraction form
    83,749.53/115,561.32 = 49,757.13/x
  3. Step 3: Cross multiply
    83,749.53x = 115,561.32 × 49,757.13
  4. Step 4: Simplify right side
    83,749.53x = 5,749,999,622.21
  5. Step 5: Solve for x
    x = 5,749,999,622.21/83,749.53
  6. Step 6: Final answer
    x = 68,657.10

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