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Finding the Fourth Proportional to 113,690.91, 170,512.57 and 33,729.64

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Solution

The fourth proportional to 113,690.91, 170,512.57 and 33,729.64 is: 50,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,690.91 : 170,512.57 = 33,729.64 : x
  2. Step 2: Convert to fraction form
    113,690.91/170,512.57 = 33,729.64/x
  3. Step 3: Cross multiply
    113,690.91x = 170,512.57 × 33,729.64
  4. Step 4: Simplify right side
    113,690.91x = 5,751,327,027.73
  5. Step 5: Solve for x
    x = 5,751,327,027.73/113,690.91
  6. Step 6: Final answer
    x = 50,587.39

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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.