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Finding the Fourth Proportional to 169,998.82, 254,764.95 and 107,557.54

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Solution

The fourth proportional to 169,998.82, 254,764.95 and 107,557.54 is: 161,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,998.82 : 254,764.95 = 107,557.54 : x
  2. Step 2: Convert to fraction form
    169,998.82/254,764.95 = 107,557.54/x
  3. Step 3: Cross multiply
    169,998.82x = 254,764.95 × 107,557.54
  4. Step 4: Simplify right side
    169,998.82x = 27,401,891,300.22
  5. Step 5: Solve for x
    x = 27,401,891,300.22/169,998.82
  6. Step 6: Final answer
    x = 161,188.71

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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.