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Finding the Fourth Proportional to 225,996.93, 338,984.44 and 83,869.91

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Solution

The fourth proportional to 225,996.93, 338,984.44 and 83,869.91 is: 125,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,996.93 : 338,984.44 = 83,869.91 : x
  2. Step 2: Convert to fraction form
    225,996.93/338,984.44 = 83,869.91/x
  3. Step 3: Cross multiply
    225,996.93x = 338,984.44 × 83,869.91
  4. Step 4: Simplify right side
    225,996.93x = 28,430,595,747.58
  5. Step 5: Solve for x
    x = 28,430,595,747.58/225,996.93
  6. Step 6: Final answer
    x = 125,800.81

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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.