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Finding the Fourth Proportional to 79,273.22, 118,911.99 and 23,111.97

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Solution

The fourth proportional to 79,273.22, 118,911.99 and 23,111.97 is: 34,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,273.22 : 118,911.99 = 23,111.97 : x
  2. Step 2: Convert to fraction form
    79,273.22/118,911.99 = 23,111.97/x
  3. Step 3: Cross multiply
    79,273.22x = 118,911.99 × 23,111.97
  4. Step 4: Simplify right side
    79,273.22x = 2,748,290,399.69
  5. Step 5: Solve for x
    x = 2,748,290,399.69/79,273.22
  6. Step 6: Final answer
    x = 34,668.59

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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.