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Finding the Fourth Proportional to 81,473.83, 122,222.49 and 30,891.49

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Solution

The fourth proportional to 81,473.83, 122,222.49 and 30,891.49 is: 46,341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,473.83 : 122,222.49 = 30,891.49 : x
  2. Step 2: Convert to fraction form
    81,473.83/122,222.49 = 30,891.49/x
  3. Step 3: Cross multiply
    81,473.83x = 122,222.49 × 30,891.49
  4. Step 4: Simplify right side
    81,473.83x = 3,775,634,827.61
  5. Step 5: Solve for x
    x = 3,775,634,827.61/81,473.83
  6. Step 6: Final answer
    x = 46,341.69

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