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Finding the Fourth Proportional to 170,595.77, 255,819.33 and 90,616.23

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Solution

The fourth proportional to 170,595.77, 255,819.33 and 90,616.23 is: 135,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,595.77 : 255,819.33 = 90,616.23 : x
  2. Step 2: Convert to fraction form
    170,595.77/255,819.33 = 90,616.23/x
  3. Step 3: Cross multiply
    170,595.77x = 255,819.33 × 90,616.23
  4. Step 4: Simplify right side
    170,595.77x = 23,181,383,245.73
  5. Step 5: Solve for x
    x = 23,181,383,245.73/170,595.77
  6. Step 6: Final answer
    x = 135,884.87

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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.