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Finding the Fourth Proportional to 159,973.20, 220,761.16 and 87,375.72

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Solution

The fourth proportional to 159,973.20, 220,761.16 and 87,375.72 is: 120,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,973.20 : 220,761.16 = 87,375.72 : x
  2. Step 2: Convert to fraction form
    159,973.20/220,761.16 = 87,375.72/x
  3. Step 3: Cross multiply
    159,973.20x = 220,761.16 × 87,375.72
  4. Step 4: Simplify right side
    159,973.20x = 19,289,165,303.04
  5. Step 5: Solve for x
    x = 19,289,165,303.04/159,973.20
  6. Step 6: Final answer
    x = 120,577.48

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