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Finding the Fourth Proportional to 192,001.78, 264,968.82 and 104,791.64

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Solution

The fourth proportional to 192,001.78, 264,968.82 and 104,791.64 is: 144,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,001.78 : 264,968.82 = 104,791.64 : x
  2. Step 2: Convert to fraction form
    192,001.78/264,968.82 = 104,791.64/x
  3. Step 3: Cross multiply
    192,001.78x = 264,968.82 × 104,791.64
  4. Step 4: Simplify right side
    192,001.78x = 27,766,517,196.66
  5. Step 5: Solve for x
    x = 27,766,517,196.66/192,001.78
  6. Step 6: Final answer
    x = 144,615.94

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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.