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Finding the Fourth Proportional to 231,550.68, 347,326.26 and 73,779

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Solution

The fourth proportional to 231,550.68, 347,326.26 and 73,779 is: 110,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,550.68 : 347,326.26 = 73,779 : x
  2. Step 2: Convert to fraction form
    231,550.68/347,326.26 = 73,779/x
  3. Step 3: Cross multiply
    231,550.68x = 347,326.26 × 73,779
  4. Step 4: Simplify right side
    231,550.68x = 25,625,384,136.54
  5. Step 5: Solve for x
    x = 25,625,384,136.54/231,550.68
  6. Step 6: Final answer
    x = 110,668.58

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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.