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Finding the Fourth Proportional to 166,714.35, 230,064.26 and 90,231.90

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Solution

The fourth proportional to 166,714.35, 230,064.26 and 90,231.90 is: 124,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,714.35 : 230,064.26 = 90,231.90 : x
  2. Step 2: Convert to fraction form
    166,714.35/230,064.26 = 90,231.90/x
  3. Step 3: Cross multiply
    166,714.35x = 230,064.26 × 90,231.90
  4. Step 4: Simplify right side
    166,714.35x = 20,759,134,850.73
  5. Step 5: Solve for x
    x = 20,759,134,850.73/166,714.35
  6. Step 6: Final answer
    x = 124,519.18

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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.