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Finding the Fourth Proportional to 83,698.31, 115,503.67 and 45,972.56

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Solution

The fourth proportional to 83,698.31, 115,503.67 and 45,972.56 is: 63,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,698.31 : 115,503.67 = 45,972.56 : x
  2. Step 2: Convert to fraction form
    83,698.31/115,503.67 = 45,972.56/x
  3. Step 3: Cross multiply
    83,698.31x = 115,503.67 × 45,972.56
  4. Step 4: Simplify right side
    83,698.31x = 5,309,999,745.52
  5. Step 5: Solve for x
    x = 5,309,999,745.52/83,698.31
  6. Step 6: Final answer
    x = 63,442.14

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