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Finding the Fourth Proportional to 70,946.31, 106,406.70 and 18,352.61

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Solution

The fourth proportional to 70,946.31, 106,406.70 and 18,352.61 is: 27,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.31 : 106,406.70 = 18,352.61 : x
  2. Step 2: Convert to fraction form
    70,946.31/106,406.70 = 18,352.61/x
  3. Step 3: Cross multiply
    70,946.31x = 106,406.70 × 18,352.61
  4. Step 4: Simplify right side
    70,946.31x = 1,952,840,464.66
  5. Step 5: Solve for x
    x = 1,952,840,464.66/70,946.31
  6. Step 6: Final answer
    x = 27,525.61

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