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Finding the Fourth Proportional to 87,569.60, 120,849.04 and 51,790.28

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Solution

The fourth proportional to 87,569.60, 120,849.04 and 51,790.28 is: 71,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,569.60 : 120,849.04 = 51,790.28 : x
  2. Step 2: Convert to fraction form
    87,569.60/120,849.04 = 51,790.28/x
  3. Step 3: Cross multiply
    87,569.60x = 120,849.04 × 51,790.28
  4. Step 4: Simplify right side
    87,569.60x = 6,258,805,619.33
  5. Step 5: Solve for x
    x = 6,258,805,619.33/87,569.60
  6. Step 6: Final answer
    x = 71,472.36

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