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Finding the Fourth Proportional to 225,879.55, 338,650.82 and 135,901.19

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Solution

The fourth proportional to 225,879.55, 338,650.82 and 135,901.19 is: 203,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,879.55 : 338,650.82 = 135,901.19 : x
  2. Step 2: Convert to fraction form
    225,879.55/338,650.82 = 135,901.19/x
  3. Step 3: Cross multiply
    225,879.55x = 338,650.82 × 135,901.19
  4. Step 4: Simplify right side
    225,879.55x = 46,023,050,873.67
  5. Step 5: Solve for x
    x = 46,023,050,873.67/225,879.55
  6. Step 6: Final answer
    x = 203,750.41

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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.