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Finding the Fourth Proportional to 223,778.97, 335,668.46 and 83,548.53

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Solution

The fourth proportional to 223,778.97, 335,668.46 and 83,548.53 is: 125,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,778.97 : 335,668.46 = 83,548.53 : x
  2. Step 2: Convert to fraction form
    223,778.97/335,668.46 = 83,548.53/x
  3. Step 3: Cross multiply
    223,778.97x = 335,668.46 × 83,548.53
  4. Step 4: Simplify right side
    223,778.97x = 28,044,605,982.62
  5. Step 5: Solve for x
    x = 28,044,605,982.62/223,778.97
  6. Step 6: Final answer
    x = 125,322.80

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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.