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Finding the Fourth Proportional to 58,742.50, 81,062.48 and 31,884.44

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Solution

The fourth proportional to 58,742.50, 81,062.48 and 31,884.44 is: 43,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742.50 : 81,062.48 = 31,884.44 : x
  2. Step 2: Convert to fraction form
    58,742.50/81,062.48 = 31,884.44/x
  3. Step 3: Cross multiply
    58,742.50x = 81,062.48 × 31,884.44
  4. Step 4: Simplify right side
    58,742.50x = 2,584,631,374.50
  5. Step 5: Solve for x
    x = 2,584,631,374.50/58,742.50
  6. Step 6: Final answer
    x = 43,999.34

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