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Finding the Fourth Proportional to 125,991.63, 173,865.45 and 72,273.21

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Solution

The fourth proportional to 125,991.63, 173,865.45 and 72,273.21 is: 99,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,991.63 : 173,865.45 = 72,273.21 : x
  2. Step 2: Convert to fraction form
    125,991.63/173,865.45 = 72,273.21/x
  3. Step 3: Cross multiply
    125,991.63x = 173,865.45 × 72,273.21
  4. Step 4: Simplify right side
    125,991.63x = 12,565,814,179.59
  5. Step 5: Solve for x
    x = 12,565,814,179.59/125,991.63
  6. Step 6: Final answer
    x = 99,735.31

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