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Finding the Fourth Proportional to 331,993.22, 458,146.65 and 181,086.98

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Solution

The fourth proportional to 331,993.22, 458,146.65 and 181,086.98 is: 249,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,993.22 : 458,146.65 = 181,086.98 : x
  2. Step 2: Convert to fraction form
    331,993.22/458,146.65 = 181,086.98/x
  3. Step 3: Cross multiply
    331,993.22x = 458,146.65 × 181,086.98
  4. Step 4: Simplify right side
    331,993.22x = 82,964,393,245.62
  5. Step 5: Solve for x
    x = 82,964,393,245.62/331,993.22
  6. Step 6: Final answer
    x = 249,897.85

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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.