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Finding the Fourth Proportional to 169,371.43, 254,057.24 and 43,021.15

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Solution

The fourth proportional to 169,371.43, 254,057.24 and 43,021.15 is: 64,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,371.43 : 254,057.24 = 43,021.15 : x
  2. Step 2: Convert to fraction form
    169,371.43/254,057.24 = 43,021.15/x
  3. Step 3: Cross multiply
    169,371.43x = 254,057.24 × 43,021.15
  4. Step 4: Simplify right side
    169,371.43x = 10,929,834,630.63
  5. Step 5: Solve for x
    x = 10,929,834,630.63/169,371.43
  6. Step 6: Final answer
    x = 64,531.75

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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.