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Finding the Fourth Proportional to 85,731.32, 118,305.96 and 48,003.68

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Solution

The fourth proportional to 85,731.32, 118,305.96 and 48,003.68 is: 66,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,731.32 : 118,305.96 = 48,003.68 : x
  2. Step 2: Convert to fraction form
    85,731.32/118,305.96 = 48,003.68/x
  3. Step 3: Cross multiply
    85,731.32x = 118,305.96 × 48,003.68
  4. Step 4: Simplify right side
    85,731.32x = 5,679,121,445.93
  5. Step 5: Solve for x
    x = 5,679,121,445.93/85,731.32
  6. Step 6: Final answer
    x = 66,243.25

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