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Finding the Fourth Proportional to 71,100.56, 98,118.78 and 39,271.51

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Solution

The fourth proportional to 71,100.56, 98,118.78 and 39,271.51 is: 54,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,100.56 : 98,118.78 = 39,271.51 : x
  2. Step 2: Convert to fraction form
    71,100.56/98,118.78 = 39,271.51/x
  3. Step 3: Cross multiply
    71,100.56x = 98,118.78 × 39,271.51
  4. Step 4: Simplify right side
    71,100.56x = 3,853,272,625.34
  5. Step 5: Solve for x
    x = 3,853,272,625.34/71,100.56
  6. Step 6: Final answer
    x = 54,194.69

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