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Finding the Fourth Proportional to 87,023.70, 130,276.35 and 51,945.30

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Solution

The fourth proportional to 87,023.70, 130,276.35 and 51,945.30 is: 77,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,023.70 : 130,276.35 = 51,945.30 : x
  2. Step 2: Convert to fraction form
    87,023.70/130,276.35 = 51,945.30/x
  3. Step 3: Cross multiply
    87,023.70x = 130,276.35 × 51,945.30
  4. Step 4: Simplify right side
    87,023.70x = 6,767,244,083.66
  5. Step 5: Solve for x
    x = 6,767,244,083.66/87,023.70
  6. Step 6: Final answer
    x = 77,763.23

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