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Finding the Fourth Proportional to 192,934, 266,249.01 and 108,051.09

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Solution

The fourth proportional to 192,934, 266,249.01 and 108,051.09 is: 149,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,934 : 266,249.01 = 108,051.09 : x
  2. Step 2: Convert to fraction form
    192,934/266,249.01 = 108,051.09/x
  3. Step 3: Cross multiply
    192,934x = 266,249.01 × 108,051.09
  4. Step 4: Simplify right side
    192,934x = 28,768,495,741.92
  5. Step 5: Solve for x
    x = 28,768,495,741.92/192,934
  6. Step 6: Final answer
    x = 149,110.55

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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.