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Finding the Fourth Proportional to 195,967.52, 270,427.30 and 115,398.44

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Solution

The fourth proportional to 195,967.52, 270,427.30 and 115,398.44 is: 159,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,967.52 : 270,427.30 = 115,398.44 : x
  2. Step 2: Convert to fraction form
    195,967.52/270,427.30 = 115,398.44/x
  3. Step 3: Cross multiply
    195,967.52x = 270,427.30 × 115,398.44
  4. Step 4: Simplify right side
    195,967.52x = 31,206,888,553.41
  5. Step 5: Solve for x
    x = 31,206,888,553.41/195,967.52
  6. Step 6: Final answer
    x = 159,245.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.