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Finding the Fourth Proportional to 169,672.32, 254,512.13 and 51,343.47

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Solution

The fourth proportional to 169,672.32, 254,512.13 and 51,343.47 is: 77,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,672.32 : 254,512.13 = 51,343.47 : x
  2. Step 2: Convert to fraction form
    169,672.32/254,512.13 = 51,343.47/x
  3. Step 3: Cross multiply
    169,672.32x = 254,512.13 × 51,343.47
  4. Step 4: Simplify right side
    169,672.32x = 13,067,535,654.57
  5. Step 5: Solve for x
    x = 13,067,535,654.57/169,672.32
  6. Step 6: Final answer
    x = 77,016.31

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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.