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Finding the Fourth Proportional to 75,038.81, 112,558.38 and 30,665.56

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Solution

The fourth proportional to 75,038.81, 112,558.38 and 30,665.56 is: 45,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,038.81 : 112,558.38 = 30,665.56 : x
  2. Step 2: Convert to fraction form
    75,038.81/112,558.38 = 30,665.56/x
  3. Step 3: Cross multiply
    75,038.81x = 112,558.38 × 30,665.56
  4. Step 4: Simplify right side
    75,038.81x = 3,451,665,755.39
  5. Step 5: Solve for x
    x = 3,451,665,755.39/75,038.81
  6. Step 6: Final answer
    x = 45,998.41

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