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Finding the Fourth Proportional to 172,859.26, 259,288.90 and 41,531.26

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Solution

The fourth proportional to 172,859.26, 259,288.90 and 41,531.26 is: 62,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,859.26 : 259,288.90 = 41,531.26 : x
  2. Step 2: Convert to fraction form
    172,859.26/259,288.90 = 41,531.26/x
  3. Step 3: Cross multiply
    172,859.26x = 259,288.90 × 41,531.26
  4. Step 4: Simplify right side
    172,859.26x = 10,768,594,721.01
  5. Step 5: Solve for x
    x = 10,768,594,721.01/172,859.26
  6. Step 6: Final answer
    x = 62,296.89

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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.