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Finding the Fourth Proportional to 83,986.30, 115,898.72 and 45,744.98

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Solution

The fourth proportional to 83,986.30, 115,898.72 and 45,744.98 is: 63,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,986.30 : 115,898.72 = 45,744.98 : x
  2. Step 2: Convert to fraction form
    83,986.30/115,898.72 = 45,744.98/x
  3. Step 3: Cross multiply
    83,986.30x = 115,898.72 × 45,744.98
  4. Step 4: Simplify right side
    83,986.30x = 5,301,784,628.43
  5. Step 5: Solve for x
    x = 5,301,784,628.43/83,986.30
  6. Step 6: Final answer
    x = 63,126.78

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