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Finding the Fourth Proportional to 53,468.50, 73,805.98 and 31,112.50

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Solution

The fourth proportional to 53,468.50, 73,805.98 and 31,112.50 is: 42,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,468.50 : 73,805.98 = 31,112.50 : x
  2. Step 2: Convert to fraction form
    53,468.50/73,805.98 = 31,112.50/x
  3. Step 3: Cross multiply
    53,468.50x = 73,805.98 × 31,112.50
  4. Step 4: Simplify right side
    53,468.50x = 2,296,288,552.75
  5. Step 5: Solve for x
    x = 2,296,288,552.75/53,468.50
  6. Step 6: Final answer
    x = 42,946.57

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