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Finding the Fourth Proportional to 169,694.80, 234,171.25 and 101,749.26

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Solution

The fourth proportional to 169,694.80, 234,171.25 and 101,749.26 is: 140,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,694.80 : 234,171.25 = 101,749.26 : x
  2. Step 2: Convert to fraction form
    169,694.80/234,171.25 = 101,749.26/x
  3. Step 3: Cross multiply
    169,694.80x = 234,171.25 × 101,749.26
  4. Step 4: Simplify right side
    169,694.80x = 23,826,752,596.88
  5. Step 5: Solve for x
    x = 23,826,752,596.88/169,694.80
  6. Step 6: Final answer
    x = 140,409.45

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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.