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Finding the Fourth Proportional to 244,051.70, 366,128.87 and 84,142.49

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Solution

The fourth proportional to 244,051.70, 366,128.87 and 84,142.49 is: 126,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,051.70 : 366,128.87 = 84,142.49 : x
  2. Step 2: Convert to fraction form
    244,051.70/366,128.87 = 84,142.49/x
  3. Step 3: Cross multiply
    244,051.70x = 366,128.87 × 84,142.49
  4. Step 4: Simplify right side
    244,051.70x = 30,806,992,531.33
  5. Step 5: Solve for x
    x = 30,806,992,531.33/244,051.70
  6. Step 6: Final answer
    x = 126,231.42

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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.