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Finding the Fourth Proportional to 167,245.76, 230,799.77 and 90,764.85

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Solution

The fourth proportional to 167,245.76, 230,799.77 and 90,764.85 is: 125,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,245.76 : 230,799.77 = 90,764.85 : x
  2. Step 2: Convert to fraction form
    167,245.76/230,799.77 = 90,764.85/x
  3. Step 3: Cross multiply
    167,245.76x = 230,799.77 × 90,764.85
  4. Step 4: Simplify right side
    167,245.76x = 20,948,506,050.26
  5. Step 5: Solve for x
    x = 20,948,506,050.26/167,245.76
  6. Step 6: Final answer
    x = 125,255.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.