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Finding the Fourth Proportional to 100,932.42, 139,380.96 and 63,272.28

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Solution

The fourth proportional to 100,932.42, 139,380.96 and 63,272.28 is: 87,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,932.42 : 139,380.96 = 63,272.28 : x
  2. Step 2: Convert to fraction form
    100,932.42/139,380.96 = 63,272.28/x
  3. Step 3: Cross multiply
    100,932.42x = 139,380.96 × 63,272.28
  4. Step 4: Simplify right side
    100,932.42x = 8,818,951,127.79
  5. Step 5: Solve for x
    x = 8,818,951,127.79/100,932.42
  6. Step 6: Final answer
    x = 87,374.81

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