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Finding the Fourth Proportional to 169,997.82, 254,763.45 and 107,556.54

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Solution

The fourth proportional to 169,997.82, 254,763.45 and 107,556.54 is: 161,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,997.82 : 254,763.45 = 107,556.54 : x
  2. Step 2: Convert to fraction form
    169,997.82/254,763.45 = 107,556.54/x
  3. Step 3: Cross multiply
    169,997.82x = 254,763.45 × 107,556.54
  4. Step 4: Simplify right side
    169,997.82x = 27,401,475,200.46
  5. Step 5: Solve for x
    x = 27,401,475,200.46/169,997.82
  6. Step 6: Final answer
    x = 161,187.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.