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Finding the Fourth Proportional to 73,000.15, 100,721.13 and 42,769.24

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Solution

The fourth proportional to 73,000.15, 100,721.13 and 42,769.24 is: 59,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,000.15 : 100,721.13 = 42,769.24 : x
  2. Step 2: Convert to fraction form
    73,000.15/100,721.13 = 42,769.24/x
  3. Step 3: Cross multiply
    73,000.15x = 100,721.13 × 42,769.24
  4. Step 4: Simplify right side
    73,000.15x = 4,307,765,769.85
  5. Step 5: Solve for x
    x = 4,307,765,769.85/73,000.15
  6. Step 6: Final answer
    x = 59,010.37

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