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Finding the Fourth Proportional to 62,902.67, 94,363.32 and 20,787.20

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Solution

The fourth proportional to 62,902.67, 94,363.32 and 20,787.20 is: 31,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,902.67 : 94,363.32 = 20,787.20 : x
  2. Step 2: Convert to fraction form
    62,902.67/94,363.32 = 20,787.20/x
  3. Step 3: Cross multiply
    62,902.67x = 94,363.32 × 20,787.20
  4. Step 4: Simplify right side
    62,902.67x = 1,961,549,101.57
  5. Step 5: Solve for x
    x = 1,961,549,101.57/62,902.67
  6. Step 6: Final answer
    x = 31,183.88

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