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Finding the Fourth Proportional to 104,769.97, 157,169.69 and 33,668.80

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Solution

The fourth proportional to 104,769.97, 157,169.69 and 33,668.80 is: 50,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,769.97 : 157,169.69 = 33,668.80 : x
  2. Step 2: Convert to fraction form
    104,769.97/157,169.69 = 33,668.80/x
  3. Step 3: Cross multiply
    104,769.97x = 157,169.69 × 33,668.80
  4. Step 4: Simplify right side
    104,769.97x = 5,291,714,858.67
  5. Step 5: Solve for x
    x = 5,291,714,858.67/104,769.97
  6. Step 6: Final answer
    x = 50,507.94

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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.