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Finding the Fourth Proportional to 125,614.58, 188,447.83 and 41,379.86

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Solution

The fourth proportional to 125,614.58, 188,447.83 and 41,379.86 is: 62,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,614.58 : 188,447.83 = 41,379.86 : x
  2. Step 2: Convert to fraction form
    125,614.58/188,447.83 = 41,379.86/x
  3. Step 3: Cross multiply
    125,614.58x = 188,447.83 × 41,379.86
  4. Step 4: Simplify right side
    125,614.58x = 7,797,945,190.37
  5. Step 5: Solve for x
    x = 7,797,945,190.37/125,614.58
  6. Step 6: Final answer
    x = 62,078.35

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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.