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Finding the Fourth Proportional to 297,951.12, 411,180.63 and 161,994.21

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Solution

The fourth proportional to 297,951.12, 411,180.63 and 161,994.21 is: 223,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,951.12 : 411,180.63 = 161,994.21 : x
  2. Step 2: Convert to fraction form
    297,951.12/411,180.63 = 161,994.21/x
  3. Step 3: Cross multiply
    297,951.12x = 411,180.63 × 161,994.21
  4. Step 4: Simplify right side
    297,951.12x = 66,608,881,324.15
  5. Step 5: Solve for x
    x = 66,608,881,324.15/297,951.12
  6. Step 6: Final answer
    x = 223,556.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.