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Finding the Fourth Proportional to 81,772.47, 112,849.21 and 45,962.37

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Solution

The fourth proportional to 81,772.47, 112,849.21 and 45,962.37 is: 63,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,772.47 : 112,849.21 = 45,962.37 : x
  2. Step 2: Convert to fraction form
    81,772.47/112,849.21 = 45,962.37/x
  3. Step 3: Cross multiply
    81,772.47x = 112,849.21 × 45,962.37
  4. Step 4: Simplify right side
    81,772.47x = 5,186,817,029.32
  5. Step 5: Solve for x
    x = 5,186,817,029.32/81,772.47
  6. Step 6: Final answer
    x = 63,429.87

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