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Finding the Fourth Proportional to 203,171.96, 304,806.60 and 84,777.44

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Solution

The fourth proportional to 203,171.96, 304,806.60 and 84,777.44 is: 127,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,171.96 : 304,806.60 = 84,777.44 : x
  2. Step 2: Convert to fraction form
    203,171.96/304,806.60 = 84,777.44/x
  3. Step 3: Cross multiply
    203,171.96x = 304,806.60 × 84,777.44
  4. Step 4: Simplify right side
    203,171.96x = 25,840,723,243.10
  5. Step 5: Solve for x
    x = 25,840,723,243.10/203,171.96
  6. Step 6: Final answer
    x = 127,186.46

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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.