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Finding the Fourth Proportional to 125,620.72, 173,348.44 and 71,906.16

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Solution

The fourth proportional to 125,620.72, 173,348.44 and 71,906.16 is: 99,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,620.72 : 173,348.44 = 71,906.16 : x
  2. Step 2: Convert to fraction form
    125,620.72/173,348.44 = 71,906.16/x
  3. Step 3: Cross multiply
    125,620.72x = 173,348.44 × 71,906.16
  4. Step 4: Simplify right side
    125,620.72x = 12,464,820,662.39
  5. Step 5: Solve for x
    x = 12,464,820,662.39/125,620.72
  6. Step 6: Final answer
    x = 99,225.83

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