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Finding the Fourth Proportional to 80,123.51, 120,100.51 and 30,182.01

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Solution

The fourth proportional to 80,123.51, 120,100.51 and 30,182.01 is: 45,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,123.51 : 120,100.51 = 30,182.01 : x
  2. Step 2: Convert to fraction form
    80,123.51/120,100.51 = 30,182.01/x
  3. Step 3: Cross multiply
    80,123.51x = 120,100.51 × 30,182.01
  4. Step 4: Simplify right side
    80,123.51x = 3,624,874,793.83
  5. Step 5: Solve for x
    x = 3,624,874,793.83/80,123.51
  6. Step 6: Final answer
    x = 45,241.09

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