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Finding the Fourth Proportional to 241,103.20, 332,717.29 and 139,120.66

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Solution

The fourth proportional to 241,103.20, 332,717.29 and 139,120.66 is: 191,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,103.20 : 332,717.29 = 139,120.66 : x
  2. Step 2: Convert to fraction form
    241,103.20/332,717.29 = 139,120.66/x
  3. Step 3: Cross multiply
    241,103.20x = 332,717.29 × 139,120.66
  4. Step 4: Simplify right side
    241,103.20x = 46,287,848,978.21
  5. Step 5: Solve for x
    x = 46,287,848,978.21/241,103.20
  6. Step 6: Final answer
    x = 191,983.55

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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.