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Finding the Fourth Proportional to 225,936.48, 338,847.72 and 92,853.48

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Solution

The fourth proportional to 225,936.48, 338,847.72 and 92,853.48 is: 139,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,936.48 : 338,847.72 = 92,853.48 : x
  2. Step 2: Convert to fraction form
    225,936.48/338,847.72 = 92,853.48/x
  3. Step 3: Cross multiply
    225,936.48x = 338,847.72 × 92,853.48
  4. Step 4: Simplify right side
    225,936.48x = 31,463,189,992.07
  5. Step 5: Solve for x
    x = 31,463,189,992.07/225,936.48
  6. Step 6: Final answer
    x = 139,256.79

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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.