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Finding the Fourth Proportional to 241,197.92, 332,799.50 and 139,201.78

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Solution

The fourth proportional to 241,197.92, 332,799.50 and 139,201.78 is: 192,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,197.92 : 332,799.50 = 139,201.78 : x
  2. Step 2: Convert to fraction form
    241,197.92/332,799.50 = 139,201.78/x
  3. Step 3: Cross multiply
    241,197.92x = 332,799.50 × 139,201.78
  4. Step 4: Simplify right side
    241,197.92x = 46,326,282,299.12
  5. Step 5: Solve for x
    x = 46,326,282,299.12/241,197.92
  6. Step 6: Final answer
    x = 192,067.50

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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.