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Finding the Fourth Proportional to 169,489.56, 254,236.14 and 51,161.88

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Solution

The fourth proportional to 169,489.56, 254,236.14 and 51,161.88 is: 76,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489.56 : 254,236.14 = 51,161.88 : x
  2. Step 2: Convert to fraction form
    169,489.56/254,236.14 = 51,161.88/x
  3. Step 3: Cross multiply
    169,489.56x = 254,236.14 × 51,161.88
  4. Step 4: Simplify right side
    169,489.56x = 13,007,198,886.34
  5. Step 5: Solve for x
    x = 13,007,198,886.34/169,489.56
  6. Step 6: Final answer
    x = 76,743.36

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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.