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Finding the Fourth Proportional to 225,405.93, 338,233.38 and 125,622.33

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Solution

The fourth proportional to 225,405.93, 338,233.38 and 125,622.33 is: 188,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,405.93 : 338,233.38 = 125,622.33 : x
  2. Step 2: Convert to fraction form
    225,405.93/338,233.38 = 125,622.33/x
  3. Step 3: Cross multiply
    225,405.93x = 338,233.38 × 125,622.33
  4. Step 4: Simplify right side
    225,405.93x = 42,489,665,279.38
  5. Step 5: Solve for x
    x = 42,489,665,279.38/225,405.93
  6. Step 6: Final answer
    x = 188,502.87

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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.