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Finding the Fourth Proportional to 101,960.94, 140,757.22 and 63,741.73

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Solution

The fourth proportional to 101,960.94, 140,757.22 and 63,741.73 is: 87,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,960.94 : 140,757.22 = 63,741.73 : x
  2. Step 2: Convert to fraction form
    101,960.94/140,757.22 = 63,741.73/x
  3. Step 3: Cross multiply
    101,960.94x = 140,757.22 × 63,741.73
  4. Step 4: Simplify right side
    101,960.94x = 8,972,108,712.79
  5. Step 5: Solve for x
    x = 8,972,108,712.79/101,960.94
  6. Step 6: Final answer
    x = 87,995.55

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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.