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Finding the Fourth Proportional to 241,910.69, 333,880.38 and 139,921.97

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Solution

The fourth proportional to 241,910.69, 333,880.38 and 139,921.97 is: 193,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,910.69 : 333,880.38 = 139,921.97 : x
  2. Step 2: Convert to fraction form
    241,910.69/333,880.38 = 139,921.97/x
  3. Step 3: Cross multiply
    241,910.69x = 333,880.38 × 139,921.97
  4. Step 4: Simplify right side
    241,910.69x = 46,717,198,844.55
  5. Step 5: Solve for x
    x = 46,717,198,844.55/241,910.69
  6. Step 6: Final answer
    x = 193,117.55

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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.