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Finding the Fourth Proportional to 83,462.63, 115,218.35 and 47,645.72

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Solution

The fourth proportional to 83,462.63, 115,218.35 and 47,645.72 is: 65,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,462.63 : 115,218.35 = 47,645.72 : x
  2. Step 2: Convert to fraction form
    83,462.63/115,218.35 = 47,645.72/x
  3. Step 3: Cross multiply
    83,462.63x = 115,218.35 × 47,645.72
  4. Step 4: Simplify right side
    83,462.63x = 5,489,661,292.78
  5. Step 5: Solve for x
    x = 5,489,661,292.78/83,462.63
  6. Step 6: Final answer
    x = 65,773.88

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