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Finding the Fourth Proportional to 344,805.08, 517,208.22 and 108,166.41

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Solution

The fourth proportional to 344,805.08, 517,208.22 and 108,166.41 is: 162,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,805.08 : 517,208.22 = 108,166.41 : x
  2. Step 2: Convert to fraction form
    344,805.08/517,208.22 = 108,166.41/x
  3. Step 3: Cross multiply
    344,805.08x = 517,208.22 × 108,166.41
  4. Step 4: Simplify right side
    344,805.08x = 55,944,556,379.89
  5. Step 5: Solve for x
    x = 55,944,556,379.89/344,805.08
  6. Step 6: Final answer
    x = 162,249.81

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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.