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Finding the Fourth Proportional to 225,648.06, 338,403.93 and 67,834.62

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Solution

The fourth proportional to 225,648.06, 338,403.93 and 67,834.62 is: 101,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,648.06 : 338,403.93 = 67,834.62 : x
  2. Step 2: Convert to fraction form
    225,648.06/338,403.93 = 67,834.62/x
  3. Step 3: Cross multiply
    225,648.06x = 338,403.93 × 67,834.62
  4. Step 4: Simplify right side
    225,648.06x = 22,955,501,998.06
  5. Step 5: Solve for x
    x = 22,955,501,998.06/225,648.06
  6. Step 6: Final answer
    x = 101,731.44

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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.