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Finding the Fourth Proportional to 213,992.75, 295,259.28 and 126,733.78

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Solution

The fourth proportional to 213,992.75, 295,259.28 and 126,733.78 is: 174,862.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,992.75 : 295,259.28 = 126,733.78 : x
  2. Step 2: Convert to fraction form
    213,992.75/295,259.28 = 126,733.78/x
  3. Step 3: Cross multiply
    213,992.75x = 295,259.28 × 126,733.78
  4. Step 4: Simplify right side
    213,992.75x = 37,419,324,634.48
  5. Step 5: Solve for x
    x = 37,419,324,634.48/213,992.75
  6. Step 6: Final answer
    x = 174,862.58

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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.