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Finding the Fourth Proportional to 85,732.80, 118,311.12 and 48,007.05

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Solution

The fourth proportional to 85,732.80, 118,311.12 and 48,007.05 is: 66,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,732.80 : 118,311.12 = 48,007.05 : x
  2. Step 2: Convert to fraction form
    85,732.80/118,311.12 = 48,007.05/x
  3. Step 3: Cross multiply
    85,732.80x = 118,311.12 × 48,007.05
  4. Step 4: Simplify right side
    85,732.80x = 5,679,767,853.40
  5. Step 5: Solve for x
    x = 5,679,767,853.40/85,732.80
  6. Step 6: Final answer
    x = 66,249.65

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