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Finding the Fourth Proportional to 74,315.04, 111,472.14 and 18,155.46

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Solution

The fourth proportional to 74,315.04, 111,472.14 and 18,155.46 is: 27,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,315.04 : 111,472.14 = 18,155.46 : x
  2. Step 2: Convert to fraction form
    74,315.04/111,472.14 = 18,155.46/x
  3. Step 3: Cross multiply
    74,315.04x = 111,472.14 × 18,155.46
  4. Step 4: Simplify right side
    74,315.04x = 2,023,827,978.88
  5. Step 5: Solve for x
    x = 2,023,827,978.88/74,315.04
  6. Step 6: Final answer
    x = 27,233.09

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