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Finding the Fourth Proportional to 101,959.44, 140,755.15 and 63,740.23

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Solution

The fourth proportional to 101,959.44, 140,755.15 and 63,740.23 is: 87,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,959.44 : 140,755.15 = 63,740.23 : x
  2. Step 2: Convert to fraction form
    101,959.44/140,755.15 = 63,740.23/x
  3. Step 3: Cross multiply
    101,959.44x = 140,755.15 × 63,740.23
  4. Step 4: Simplify right side
    101,959.44x = 8,971,765,634.68
  5. Step 5: Solve for x
    x = 8,971,765,634.68/101,959.44
  6. Step 6: Final answer
    x = 87,993.48

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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.