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Finding the Fourth Proportional to 167,969.72, 251,362.82 and 104,819.56

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Solution

The fourth proportional to 167,969.72, 251,362.82 and 104,819.56 is: 156,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,969.72 : 251,362.82 = 104,819.56 : x
  2. Step 2: Convert to fraction form
    167,969.72/251,362.82 = 104,819.56/x
  3. Step 3: Cross multiply
    167,969.72x = 251,362.82 × 104,819.56
  4. Step 4: Simplify right side
    167,969.72x = 26,347,740,192.76
  5. Step 5: Solve for x
    x = 26,347,740,192.76/167,969.72
  6. Step 6: Final answer
    x = 156,860.06

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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.