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Finding the Fourth Proportional to 72,369.12, 99,889.20 and 44,074.56

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Solution

The fourth proportional to 72,369.12, 99,889.20 and 44,074.56 is: 60,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,369.12 : 99,889.20 = 44,074.56 : x
  2. Step 2: Convert to fraction form
    72,369.12/99,889.20 = 44,074.56/x
  3. Step 3: Cross multiply
    72,369.12x = 99,889.20 × 44,074.56
  4. Step 4: Simplify right side
    72,369.12x = 4,402,572,538.75
  5. Step 5: Solve for x
    x = 4,402,572,538.75/72,369.12
  6. Step 6: Final answer
    x = 60,834.96

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