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Finding the Fourth Proportional to 125,879.27, 188,773.92 and 41,623.88

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Solution

The fourth proportional to 125,879.27, 188,773.92 and 41,623.88 is: 62,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,879.27 : 188,773.92 = 41,623.88 : x
  2. Step 2: Convert to fraction form
    125,879.27/188,773.92 = 41,623.88/x
  3. Step 3: Cross multiply
    125,879.27x = 188,773.92 × 41,623.88
  4. Step 4: Simplify right side
    125,879.27x = 7,857,502,049.34
  5. Step 5: Solve for x
    x = 7,857,502,049.34/125,879.27
  6. Step 6: Final answer
    x = 62,420.94

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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.