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Finding the Fourth Proportional to 108,893.74, 150,208.18 and 68,537.44

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Solution

The fourth proportional to 108,893.74, 150,208.18 and 68,537.44 is: 94,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,893.74 : 150,208.18 = 68,537.44 : x
  2. Step 2: Convert to fraction form
    108,893.74/150,208.18 = 68,537.44/x
  3. Step 3: Cross multiply
    108,893.74x = 150,208.18 × 68,537.44
  4. Step 4: Simplify right side
    108,893.74x = 10,294,884,124.26
  5. Step 5: Solve for x
    x = 10,294,884,124.26/108,893.74
  6. Step 6: Final answer
    x = 94,540.64

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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.