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Finding the Fourth Proportional to 225,897.39, 338,845.68 and 68,125.73

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Solution

The fourth proportional to 225,897.39, 338,845.68 and 68,125.73 is: 102,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,897.39 : 338,845.68 = 68,125.73 : x
  2. Step 2: Convert to fraction form
    225,897.39/338,845.68 = 68,125.73/x
  3. Step 3: Cross multiply
    225,897.39x = 338,845.68 × 68,125.73
  4. Step 4: Simplify right side
    225,897.39x = 23,084,107,613.12
  5. Step 5: Solve for x
    x = 23,084,107,613.12/225,897.39
  6. Step 6: Final answer
    x = 102,188.47

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1.5x scale

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.