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Finding the Fourth Proportional to 213,910.44, 295,198.74 and 118,418.82

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Solution

The fourth proportional to 213,910.44, 295,198.74 and 118,418.82 is: 163,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,910.44 : 295,198.74 = 118,418.82 : x
  2. Step 2: Convert to fraction form
    213,910.44/295,198.74 = 118,418.82/x
  3. Step 3: Cross multiply
    213,910.44x = 295,198.74 × 118,418.82
  4. Step 4: Simplify right side
    213,910.44x = 34,957,086,456.29
  5. Step 5: Solve for x
    x = 34,957,086,456.29/213,910.44
  6. Step 6: Final answer
    x = 163,419.26

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1.5x scale

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.