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Finding the Fourth Proportional to 53,893.74, 74,373.33 and 31,245.84

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Solution

The fourth proportional to 53,893.74, 74,373.33 and 31,245.84 is: 43,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893.74 : 74,373.33 = 31,245.84 : x
  2. Step 2: Convert to fraction form
    53,893.74/74,373.33 = 31,245.84/x
  3. Step 3: Cross multiply
    53,893.74x = 74,373.33 × 31,245.84
  4. Step 4: Simplify right side
    53,893.74x = 2,323,857,169.45
  5. Step 5: Solve for x
    x = 2,323,857,169.45/53,893.74
  6. Step 6: Final answer
    x = 43,119.24

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