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Finding the Fourth Proportional to 60,443.82, 90,630.09 and 18,311.10

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Solution

The fourth proportional to 60,443.82, 90,630.09 and 18,311.10 is: 27,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,443.82 : 90,630.09 = 18,311.10 : x
  2. Step 2: Convert to fraction form
    60,443.82/90,630.09 = 18,311.10/x
  3. Step 3: Cross multiply
    60,443.82x = 90,630.09 × 18,311.10
  4. Step 4: Simplify right side
    60,443.82x = 1,659,536,641.00
  5. Step 5: Solve for x
    x = 1,659,536,641.00/60,443.82
  6. Step 6: Final answer
    x = 27,455.85

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