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Finding the Fourth Proportional to 203,912.20, 305,868.30 and 184,885.30

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Solution

The fourth proportional to 203,912.20, 305,868.30 and 184,885.30 is: 277,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,912.20 : 305,868.30 = 184,885.30 : x
  2. Step 2: Convert to fraction form
    203,912.20/305,868.30 = 184,885.30/x
  3. Step 3: Cross multiply
    203,912.20x = 305,868.30 × 184,885.30
  4. Step 4: Simplify right side
    203,912.20x = 56,550,552,405.99
  5. Step 5: Solve for x
    x = 56,550,552,405.99/203,912.20
  6. Step 6: Final answer
    x = 277,327.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.