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Finding the Fourth Proportional to 85,682.88, 128,520.48 and 23,353.32

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Solution

The fourth proportional to 85,682.88, 128,520.48 and 23,353.32 is: 35,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,682.88 : 128,520.48 = 23,353.32 : x
  2. Step 2: Convert to fraction form
    85,682.88/128,520.48 = 23,353.32/x
  3. Step 3: Cross multiply
    85,682.88x = 128,520.48 × 23,353.32
  4. Step 4: Simplify right side
    85,682.88x = 3,001,379,895.99
  5. Step 5: Solve for x
    x = 3,001,379,895.99/85,682.88
  6. Step 6: Final answer
    x = 35,028.93

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