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Finding the Fourth Proportional to 126,058.01, 173,959.11 and 69,469.38

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Solution

The fourth proportional to 126,058.01, 173,959.11 and 69,469.38 is: 95,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,058.01 : 173,959.11 = 69,469.38 : x
  2. Step 2: Convert to fraction form
    126,058.01/173,959.11 = 69,469.38/x
  3. Step 3: Cross multiply
    126,058.01x = 173,959.11 × 69,469.38
  4. Step 4: Simplify right side
    126,058.01x = 12,084,831,517.05
  5. Step 5: Solve for x
    x = 12,084,831,517.05/126,058.01
  6. Step 6: Final answer
    x = 95,867.23

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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.