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Finding the Fourth Proportional to 203,763.44, 305,630.70 and 54,000.40

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Solution

The fourth proportional to 203,763.44, 305,630.70 and 54,000.40 is: 80,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,763.44 : 305,630.70 = 54,000.40 : x
  2. Step 2: Convert to fraction form
    203,763.44/305,630.70 = 54,000.40/x
  3. Step 3: Cross multiply
    203,763.44x = 305,630.70 × 54,000.40
  4. Step 4: Simplify right side
    203,763.44x = 16,504,180,052.28
  5. Step 5: Solve for x
    x = 16,504,180,052.28/203,763.44
  6. Step 6: Final answer
    x = 80,996.77

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1.5x scale

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.