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Finding the Fourth Proportional to 110,563.79, 165,845.83 and 31,659.56

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Solution

The fourth proportional to 110,563.79, 165,845.83 and 31,659.56 is: 47,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,563.79 : 165,845.83 = 31,659.56 : x
  2. Step 2: Convert to fraction form
    110,563.79/165,845.83 = 31,659.56/x
  3. Step 3: Cross multiply
    110,563.79x = 165,845.83 × 31,659.56
  4. Step 4: Simplify right side
    110,563.79x = 5,250,605,778.54
  5. Step 5: Solve for x
    x = 5,250,605,778.54/110,563.79
  6. Step 6: Final answer
    x = 47,489.38

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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.