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Finding the Fourth Proportional to 246,223.26, 339,767.69 and 138,819.69

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Solution

The fourth proportional to 246,223.26, 339,767.69 and 138,819.69 is: 191,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,223.26 : 339,767.69 = 138,819.69 : x
  2. Step 2: Convert to fraction form
    246,223.26/339,767.69 = 138,819.69/x
  3. Step 3: Cross multiply
    246,223.26x = 339,767.69 × 138,819.69
  4. Step 4: Simplify right side
    246,223.26x = 47,166,444,703.72
  5. Step 5: Solve for x
    x = 47,166,444,703.72/246,223.26
  6. Step 6: Final answer
    x = 191,559.66

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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.