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Finding the Fourth Proportional to 331,771.92, 497,743.68 and 95,131.92

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Solution

The fourth proportional to 331,771.92, 497,743.68 and 95,131.92 is: 142,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,771.92 : 497,743.68 = 95,131.92 : x
  2. Step 2: Convert to fraction form
    331,771.92/497,743.68 = 95,131.92/x
  3. Step 3: Cross multiply
    331,771.92x = 497,743.68 × 95,131.92
  4. Step 4: Simplify right side
    331,771.92x = 47,351,311,946.27
  5. Step 5: Solve for x
    x = 47,351,311,946.27/331,771.92
  6. Step 6: Final answer
    x = 142,722.48

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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.