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Finding the Fourth Proportional to 225,858.71, 338,196.22 and 158,936.51

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Solution

The fourth proportional to 225,858.71, 338,196.22 and 158,936.51 is: 237,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,858.71 : 338,196.22 = 158,936.51 : x
  2. Step 2: Convert to fraction form
    225,858.71/338,196.22 = 158,936.51/x
  3. Step 3: Cross multiply
    225,858.71x = 338,196.22 × 158,936.51
  4. Step 4: Simplify right side
    225,858.71x = 53,751,726,901.99
  5. Step 5: Solve for x
    x = 53,751,726,901.99/225,858.71
  6. Step 6: Final answer
    x = 237,988.28

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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.