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Finding the Fourth Proportional to 222,650.73, 333,980.96 and 133,978.41

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Solution

The fourth proportional to 222,650.73, 333,980.96 and 133,978.41 is: 200,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,650.73 : 333,980.96 = 133,978.41 : x
  2. Step 2: Convert to fraction form
    222,650.73/333,980.96 = 133,978.41/x
  3. Step 3: Cross multiply
    222,650.73x = 333,980.96 × 133,978.41
  4. Step 4: Simplify right side
    222,650.73x = 44,746,237,321.18
  5. Step 5: Solve for x
    x = 44,746,237,321.18/222,650.73
  6. Step 6: Final answer
    x = 200,970.54

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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.