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Finding the Fourth Proportional to 203,747.52, 303,520.56 and 197,556.96

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Solution

The fourth proportional to 203,747.52, 303,520.56 and 197,556.96 is: 294,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,747.52 : 303,520.56 = 197,556.96 : x
  2. Step 2: Convert to fraction form
    203,747.52/303,520.56 = 197,556.96/x
  3. Step 3: Cross multiply
    203,747.52x = 303,520.56 × 197,556.96
  4. Step 4: Simplify right side
    203,747.52x = 59,962,599,131.10
  5. Step 5: Solve for x
    x = 59,962,599,131.10/203,747.52
  6. Step 6: Final answer
    x = 294,298.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.