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Finding the Fourth Proportional to 47,881.35, 71,647.06 and 28,169.19

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Solution

The fourth proportional to 47,881.35, 71,647.06 and 28,169.19 is: 42,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,881.35 : 71,647.06 = 28,169.19 : x
  2. Step 2: Convert to fraction form
    47,881.35/71,647.06 = 28,169.19/x
  3. Step 3: Cross multiply
    47,881.35x = 71,647.06 × 28,169.19
  4. Step 4: Simplify right side
    47,881.35x = 2,018,239,575.66
  5. Step 5: Solve for x
    x = 2,018,239,575.66/47,881.35
  6. Step 6: Final answer
    x = 42,150.85

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