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Finding the Fourth Proportional to 222,989.90, 334,481.93 and 54,511.70

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Solution

The fourth proportional to 222,989.90, 334,481.93 and 54,511.70 is: 81,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,989.90 : 334,481.93 = 54,511.70 : x
  2. Step 2: Convert to fraction form
    222,989.90/334,481.93 = 54,511.70/x
  3. Step 3: Cross multiply
    222,989.90x = 334,481.93 × 54,511.70
  4. Step 4: Simplify right side
    222,989.90x = 18,233,176,678.61
  5. Step 5: Solve for x
    x = 18,233,176,678.61/222,989.90
  6. Step 6: Final answer
    x = 81,766.83

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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.