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Finding the Fourth Proportional to 72,520.52, 108,780.57 and 22,603.46

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Solution

The fourth proportional to 72,520.52, 108,780.57 and 22,603.46 is: 33,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,520.52 : 108,780.57 = 22,603.46 : x
  2. Step 2: Convert to fraction form
    72,520.52/108,780.57 = 22,603.46/x
  3. Step 3: Cross multiply
    72,520.52x = 108,780.57 × 22,603.46
  4. Step 4: Simplify right side
    72,520.52x = 2,458,816,718.87
  5. Step 5: Solve for x
    x = 2,458,816,718.87/72,520.52
  6. Step 6: Final answer
    x = 33,905.12

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