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Finding the Fourth Proportional to 301,992.89, 416,739.57 and 166,025.85

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Solution

The fourth proportional to 301,992.89, 416,739.57 and 166,025.85 is: 229,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,992.89 : 416,739.57 = 166,025.85 : x
  2. Step 2: Convert to fraction form
    301,992.89/416,739.57 = 166,025.85/x
  3. Step 3: Cross multiply
    301,992.89x = 416,739.57 × 166,025.85
  4. Step 4: Simplify right side
    301,992.89x = 69,189,541,337.88
  5. Step 5: Solve for x
    x = 69,189,541,337.88/301,992.89
  6. Step 6: Final answer
    x = 229,109.84

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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.