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Finding the Fourth Proportional to 223,781.48, 335,668.94 and 55,301.80

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Solution

The fourth proportional to 223,781.48, 335,668.94 and 55,301.80 is: 82,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,781.48 : 335,668.94 = 55,301.80 : x
  2. Step 2: Convert to fraction form
    223,781.48/335,668.94 = 55,301.80/x
  3. Step 3: Cross multiply
    223,781.48x = 335,668.94 × 55,301.80
  4. Step 4: Simplify right side
    223,781.48x = 18,563,097,287.01
  5. Step 5: Solve for x
    x = 18,563,097,287.01/223,781.48
  6. Step 6: Final answer
    x = 82,951.89

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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.