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Finding the Fourth Proportional to 222,989.75, 334,481.68 and 54,511.55

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Solution

The fourth proportional to 222,989.75, 334,481.68 and 54,511.55 is: 81,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,989.75 : 334,481.68 = 54,511.55 : x
  2. Step 2: Convert to fraction form
    222,989.75/334,481.68 = 54,511.55/x
  3. Step 3: Cross multiply
    222,989.75x = 334,481.68 × 54,511.55
  4. Step 4: Simplify right side
    222,989.75x = 18,233,114,823.40
  5. Step 5: Solve for x
    x = 18,233,114,823.40/222,989.75
  6. Step 6: Final answer
    x = 81,766.61

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1.5x scale

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.