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Finding the Fourth Proportional to 167,230.85, 230,777.36 and 90,748.02

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Solution

The fourth proportional to 167,230.85, 230,777.36 and 90,748.02 is: 125,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,230.85 : 230,777.36 = 90,748.02 : x
  2. Step 2: Convert to fraction form
    167,230.85/230,777.36 = 90,748.02/x
  3. Step 3: Cross multiply
    167,230.85x = 230,777.36 × 90,748.02
  4. Step 4: Simplify right side
    167,230.85x = 20,942,587,842.28
  5. Step 5: Solve for x
    x = 20,942,587,842.28/167,230.85
  6. Step 6: Final answer
    x = 125,231.61

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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.