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Finding the Fourth Proportional to 103,069.44, 154,626.21 and 31,990.52

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Solution

The fourth proportional to 103,069.44, 154,626.21 and 31,990.52 is: 47,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,069.44 : 154,626.21 = 31,990.52 : x
  2. Step 2: Convert to fraction form
    103,069.44/154,626.21 = 31,990.52/x
  3. Step 3: Cross multiply
    103,069.44x = 154,626.21 × 31,990.52
  4. Step 4: Simplify right side
    103,069.44x = 4,946,573,250.09
  5. Step 5: Solve for x
    x = 4,946,573,250.09/103,069.44
  6. Step 6: Final answer
    x = 47,992.63

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