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Finding the Fourth Proportional to 269,053.92, 370,906.56 and 188,231.04

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Solution

The fourth proportional to 269,053.92, 370,906.56 and 188,231.04 is: 259,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,053.92 : 370,906.56 = 188,231.04 : x
  2. Step 2: Convert to fraction form
    269,053.92/370,906.56 = 188,231.04/x
  3. Step 3: Cross multiply
    269,053.92x = 370,906.56 × 188,231.04
  4. Step 4: Simplify right side
    269,053.92x = 69,816,127,531.62
  5. Step 5: Solve for x
    x = 69,816,127,531.62/269,053.92
  6. Step 6: Final answer
    x = 259,487.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.