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Finding the Fourth Proportional to 225,249.30, 337,923.63 and 85,009.14

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Solution

The fourth proportional to 225,249.30, 337,923.63 and 85,009.14 is: 127,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,249.30 : 337,923.63 = 85,009.14 : x
  2. Step 2: Convert to fraction form
    225,249.30/337,923.63 = 85,009.14/x
  3. Step 3: Cross multiply
    225,249.30x = 337,923.63 × 85,009.14
  4. Step 4: Simplify right side
    225,249.30x = 28,726,597,171.98
  5. Step 5: Solve for x
    x = 28,726,597,171.98/225,249.30
  6. Step 6: Final answer
    x = 127,532.46

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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.