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Finding the Fourth Proportional to 53,109.03, 79,676.91 and 43,637.21

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Solution

The fourth proportional to 53,109.03, 79,676.91 and 43,637.21 is: 65,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.03 : 79,676.91 = 43,637.21 : x
  2. Step 2: Convert to fraction form
    53,109.03/79,676.91 = 43,637.21/x
  3. Step 3: Cross multiply
    53,109.03x = 79,676.91 × 43,637.21
  4. Step 4: Simplify right side
    53,109.03x = 3,476,877,655.44
  5. Step 5: Solve for x
    x = 3,476,877,655.44/53,109.03
  6. Step 6: Final answer
    x = 65,466.79

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