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Finding the Fourth Proportional to 155,668.52, 214,782.92 and 95,217.08

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Solution

The fourth proportional to 155,668.52, 214,782.92 and 95,217.08 is: 131,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,668.52 : 214,782.92 = 95,217.08 : x
  2. Step 2: Convert to fraction form
    155,668.52/214,782.92 = 95,217.08/x
  3. Step 3: Cross multiply
    155,668.52x = 214,782.92 × 95,217.08
  4. Step 4: Simplify right side
    155,668.52x = 20,451,002,476.27
  5. Step 5: Solve for x
    x = 20,451,002,476.27/155,668.52
  6. Step 6: Final answer
    x = 131,375.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.