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Finding the Fourth Proportional to 264,503.30, 396,791.40 and 95,982.80

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Solution

The fourth proportional to 264,503.30, 396,791.40 and 95,982.80 is: 143,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,503.30 : 396,791.40 = 95,982.80 : x
  2. Step 2: Convert to fraction form
    264,503.30/396,791.40 = 95,982.80/x
  3. Step 3: Cross multiply
    264,503.30x = 396,791.40 × 95,982.80
  4. Step 4: Simplify right side
    264,503.30x = 38,085,149,587.92
  5. Step 5: Solve for x
    x = 38,085,149,587.92/264,503.30
  6. Step 6: Final answer
    x = 143,987.43

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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.