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Finding the Fourth Proportional to 125,480.93, 188,181.47 and 41,221.54

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Solution

The fourth proportional to 125,480.93, 188,181.47 and 41,221.54 is: 61,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,480.93 : 188,181.47 = 41,221.54 : x
  2. Step 2: Convert to fraction form
    125,480.93/188,181.47 = 41,221.54/x
  3. Step 3: Cross multiply
    125,480.93x = 188,181.47 × 41,221.54
  4. Step 4: Simplify right side
    125,480.93x = 7,757,129,992.86
  5. Step 5: Solve for x
    x = 7,757,129,992.86/125,480.93
  6. Step 6: Final answer
    x = 61,819.19

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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.