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Finding the Fourth Proportional to 91,202.82, 136,825.30 and 28,873.32

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Solution

The fourth proportional to 91,202.82, 136,825.30 and 28,873.32 is: 43,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,202.82 : 136,825.30 = 28,873.32 : x
  2. Step 2: Convert to fraction form
    91,202.82/136,825.30 = 28,873.32/x
  3. Step 3: Cross multiply
    91,202.82x = 136,825.30 × 28,873.32
  4. Step 4: Simplify right side
    91,202.82x = 3,950,600,671.00
  5. Step 5: Solve for x
    x = 3,950,600,671.00/91,202.82
  6. Step 6: Final answer
    x = 43,316.65

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