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Finding the Fourth Proportional to 108,881.88, 150,270.29 and 68,594.97

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Solution

The fourth proportional to 108,881.88, 150,270.29 and 68,594.97 is: 94,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,881.88 : 150,270.29 = 68,594.97 : x
  2. Step 2: Convert to fraction form
    108,881.88/150,270.29 = 68,594.97/x
  3. Step 3: Cross multiply
    108,881.88x = 150,270.29 × 68,594.97
  4. Step 4: Simplify right side
    108,881.88x = 10,307,786,034.44
  5. Step 5: Solve for x
    x = 10,307,786,034.44/108,881.88
  6. Step 6: Final answer
    x = 94,669.43

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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.