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Finding the Fourth Proportional to 203,700.30, 305,550.45 and 151,212.30

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Solution

The fourth proportional to 203,700.30, 305,550.45 and 151,212.30 is: 226,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,700.30 : 305,550.45 = 151,212.30 : x
  2. Step 2: Convert to fraction form
    203,700.30/305,550.45 = 151,212.30/x
  3. Step 3: Cross multiply
    203,700.30x = 305,550.45 × 151,212.30
  4. Step 4: Simplify right side
    203,700.30x = 46,202,986,310.54
  5. Step 5: Solve for x
    x = 46,202,986,310.54/203,700.30
  6. Step 6: Final answer
    x = 226,818.45

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