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Finding the Fourth Proportional to 101,327.90, 151,991.91 and 26,447.85

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Solution

The fourth proportional to 101,327.90, 151,991.91 and 26,447.85 is: 39,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,327.90 : 151,991.91 = 26,447.85 : x
  2. Step 2: Convert to fraction form
    101,327.90/151,991.91 = 26,447.85/x
  3. Step 3: Cross multiply
    101,327.90x = 151,991.91 × 26,447.85
  4. Step 4: Simplify right side
    101,327.90x = 4,019,859,236.89
  5. Step 5: Solve for x
    x = 4,019,859,236.89/101,327.90
  6. Step 6: Final answer
    x = 39,671.79

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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.