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Finding the Fourth Proportional to 87,643.58, 120,972.90 and 51,846.03

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Solution

The fourth proportional to 87,643.58, 120,972.90 and 51,846.03 is: 71,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,643.58 : 120,972.90 = 51,846.03 : x
  2. Step 2: Convert to fraction form
    87,643.58/120,972.90 = 51,846.03/x
  3. Step 3: Cross multiply
    87,643.58x = 120,972.90 × 51,846.03
  4. Step 4: Simplify right side
    87,643.58x = 6,271,964,602.59
  5. Step 5: Solve for x
    x = 6,271,964,602.59/87,643.58
  6. Step 6: Final answer
    x = 71,562.17

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