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Finding the Fourth Proportional to 169,906.02, 234,418.37 and 111,746.17

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Solution

The fourth proportional to 169,906.02, 234,418.37 and 111,746.17 is: 154,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,906.02 : 234,418.37 = 111,746.17 : x
  2. Step 2: Convert to fraction form
    169,906.02/234,418.37 = 111,746.17/x
  3. Step 3: Cross multiply
    169,906.02x = 234,418.37 × 111,746.17
  4. Step 4: Simplify right side
    169,906.02x = 26,195,354,759.44
  5. Step 5: Solve for x
    x = 26,195,354,759.44/169,906.02
  6. Step 6: Final answer
    x = 154,175.56

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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.