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Finding the Fourth Proportional to 171,544.69, 236,729.78 and 94,020.97

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Solution

The fourth proportional to 171,544.69, 236,729.78 and 94,020.97 is: 129,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,544.69 : 236,729.78 = 94,020.97 : x
  2. Step 2: Convert to fraction form
    171,544.69/236,729.78 = 94,020.97/x
  3. Step 3: Cross multiply
    171,544.69x = 236,729.78 × 94,020.97
  4. Step 4: Simplify right side
    171,544.69x = 22,257,562,390.27
  5. Step 5: Solve for x
    x = 22,257,562,390.27/171,544.69
  6. Step 6: Final answer
    x = 129,747.89

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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.