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Finding the Fourth Proportional to 120,529.68, 166,335.12 and 72,773.52

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Solution

The fourth proportional to 120,529.68, 166,335.12 and 72,773.52 is: 100,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,529.68 : 166,335.12 = 72,773.52 : x
  2. Step 2: Convert to fraction form
    120,529.68/166,335.12 = 72,773.52/x
  3. Step 3: Cross multiply
    120,529.68x = 166,335.12 × 72,773.52
  4. Step 4: Simplify right side
    120,529.68x = 12,104,792,182.02
  5. Step 5: Solve for x
    x = 12,104,792,182.02/120,529.68
  6. Step 6: Final answer
    x = 100,429.97

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