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Finding the Fourth Proportional to 101,331.91, 151,997.91 and 26,451.85

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Solution

The fourth proportional to 101,331.91, 151,997.91 and 26,451.85 is: 39,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,331.91 : 151,997.91 = 26,451.85 : x
  2. Step 2: Convert to fraction form
    101,331.91/151,997.91 = 26,451.85/x
  3. Step 3: Cross multiply
    101,331.91x = 151,997.91 × 26,451.85
  4. Step 4: Simplify right side
    101,331.91x = 4,020,625,915.63
  5. Step 5: Solve for x
    x = 4,020,625,915.63/101,331.91
  6. Step 6: Final answer
    x = 39,677.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.