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Finding the Fourth Proportional to 81,263.87, 112,144.43 and 45,451.59

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Solution

The fourth proportional to 81,263.87, 112,144.43 and 45,451.59 is: 62,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,263.87 : 112,144.43 = 45,451.59 : x
  2. Step 2: Convert to fraction form
    81,263.87/112,144.43 = 45,451.59/x
  3. Step 3: Cross multiply
    81,263.87x = 112,144.43 × 45,451.59
  4. Step 4: Simplify right side
    81,263.87x = 5,097,142,425.89
  5. Step 5: Solve for x
    x = 5,097,142,425.89/81,263.87
  6. Step 6: Final answer
    x = 62,723.35

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