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Finding the Fourth Proportional to 72,056.88, 99,447.48 and 43,755.12

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Solution

The fourth proportional to 72,056.88, 99,447.48 and 43,755.12 is: 60,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,056.88 : 99,447.48 = 43,755.12 : x
  2. Step 2: Convert to fraction form
    72,056.88/99,447.48 = 43,755.12/x
  3. Step 3: Cross multiply
    72,056.88x = 99,447.48 × 43,755.12
  4. Step 4: Simplify right side
    72,056.88x = 4,351,336,421.10
  5. Step 5: Solve for x
    x = 4,351,336,421.10/72,056.88
  6. Step 6: Final answer
    x = 60,387.52

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