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Finding the Fourth Proportional to 83,606.72, 115,379.52 and 45,882.32

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Solution

The fourth proportional to 83,606.72, 115,379.52 and 45,882.32 is: 63,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,606.72 : 115,379.52 = 45,882.32 : x
  2. Step 2: Convert to fraction form
    83,606.72/115,379.52 = 45,882.32/x
  3. Step 3: Cross multiply
    83,606.72x = 115,379.52 × 45,882.32
  4. Step 4: Simplify right side
    83,606.72x = 5,293,880,058.09
  5. Step 5: Solve for x
    x = 5,293,880,058.09/83,606.72
  6. Step 6: Final answer
    x = 63,318.83

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