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Finding the Fourth Proportional to 167,930.82, 251,942.40 and 49,602.11

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Solution

The fourth proportional to 167,930.82, 251,942.40 and 49,602.11 is: 74,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,930.82 : 251,942.40 = 49,602.11 : x
  2. Step 2: Convert to fraction form
    167,930.82/251,942.40 = 49,602.11/x
  3. Step 3: Cross multiply
    167,930.82x = 251,942.40 × 49,602.11
  4. Step 4: Simplify right side
    167,930.82x = 12,496,873,378.75
  5. Step 5: Solve for x
    x = 12,496,873,378.75/167,930.82
  6. Step 6: Final answer
    x = 74,416.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.