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Finding the Fourth Proportional to 72,403.20, 108,612.90 and 22,482.90

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Solution

The fourth proportional to 72,403.20, 108,612.90 and 22,482.90 is: 33,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,403.20 : 108,612.90 = 22,482.90 : x
  2. Step 2: Convert to fraction form
    72,403.20/108,612.90 = 22,482.90/x
  3. Step 3: Cross multiply
    72,403.20x = 108,612.90 × 22,482.90
  4. Step 4: Simplify right side
    72,403.20x = 2,441,932,969.41
  5. Step 5: Solve for x
    x = 2,441,932,969.41/72,403.20
  6. Step 6: Final answer
    x = 33,726.87

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