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Finding the Fourth Proportional to 201,408,011.80, 302,236,433.70 and 80,226,827.80

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Solution

The fourth proportional to 201,408,011.80, 302,236,433.70 and 80,226,827.80 is: 120,389,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,408,011.80 : 302,236,433.70 = 80,226,827.80 : x
  2. Step 2: Convert to fraction form
    201,408,011.80/302,236,433.70 = 80,226,827.80/x
  3. Step 3: Cross multiply
    201,408,011.80x = 302,236,433.70 × 80,226,827.80
  4. Step 4: Simplify right side
    201,408,011.80x = 24,247,470,321,336,016
  5. Step 5: Solve for x
    x = 24,247,470,321,336,016/201,408,011.80
  6. Step 6: Final answer
    x = 120,389,800.31

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