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Finding the Fourth Proportional to 203,190.60, 303,921.90 and 182,281.80

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Solution

The fourth proportional to 203,190.60, 303,921.90 and 182,281.80 is: 272,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,190.60 : 303,921.90 = 182,281.80 : x
  2. Step 2: Convert to fraction form
    203,190.60/303,921.90 = 182,281.80/x
  3. Step 3: Cross multiply
    203,190.60x = 303,921.90 × 182,281.80
  4. Step 4: Simplify right side
    203,190.60x = 55,399,430,991.42
  5. Step 5: Solve for x
    x = 55,399,430,991.42/203,190.60
  6. Step 6: Final answer
    x = 272,647.61

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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.