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Finding the Fourth Proportional to 172,879.10, 238,567.26 and 95,357.82

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Solution

The fourth proportional to 172,879.10, 238,567.26 and 95,357.82 is: 131,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,879.10 : 238,567.26 = 95,357.82 : x
  2. Step 2: Convert to fraction form
    172,879.10/238,567.26 = 95,357.82/x
  3. Step 3: Cross multiply
    172,879.10x = 238,567.26 × 95,357.82
  4. Step 4: Simplify right side
    172,879.10x = 22,749,253,836.97
  5. Step 5: Solve for x
    x = 22,749,253,836.97/172,879.10
  6. Step 6: Final answer
    x = 131,590.54

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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.