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Finding the Fourth Proportional to 229,751.89, 344,627.97 and 71,992.69

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Solution

The fourth proportional to 229,751.89, 344,627.97 and 71,992.69 is: 107,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,751.89 : 344,627.97 = 71,992.69 : x
  2. Step 2: Convert to fraction form
    229,751.89/344,627.97 = 71,992.69/x
  3. Step 3: Cross multiply
    229,751.89x = 344,627.97 × 71,992.69
  4. Step 4: Simplify right side
    229,751.89x = 24,810,694,609.54
  5. Step 5: Solve for x
    x = 24,810,694,609.54/229,751.89
  6. Step 6: Final answer
    x = 107,989.08

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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.