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Finding the Fourth Proportional to 108,880.88, 150,268.91 and 68,593.97

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Solution

The fourth proportional to 108,880.88, 150,268.91 and 68,593.97 is: 94,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,880.88 : 150,268.91 = 68,593.97 : x
  2. Step 2: Convert to fraction form
    108,880.88/150,268.91 = 68,593.97/x
  3. Step 3: Cross multiply
    108,880.88x = 150,268.91 × 68,593.97
  4. Step 4: Simplify right side
    108,880.88x = 10,307,540,010.16
  5. Step 5: Solve for x
    x = 10,307,540,010.16/108,880.88
  6. Step 6: Final answer
    x = 94,668.05

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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.