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Finding the Fourth Proportional to 105,693.58, 145,853.26 and 57,945.88

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Solution

The fourth proportional to 105,693.58, 145,853.26 and 57,945.88 is: 79,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,693.58 : 145,853.26 = 57,945.88 : x
  2. Step 2: Convert to fraction form
    105,693.58/145,853.26 = 57,945.88/x
  3. Step 3: Cross multiply
    105,693.58x = 145,853.26 × 57,945.88
  4. Step 4: Simplify right side
    105,693.58x = 8,451,595,501.57
  5. Step 5: Solve for x
    x = 8,451,595,501.57/105,693.58
  6. Step 6: Final answer
    x = 79,963.19

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