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Finding the Fourth Proportional to 222,076.20, 333,114.30 and 81,816.60

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Solution

The fourth proportional to 222,076.20, 333,114.30 and 81,816.60 is: 122,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,076.20 : 333,114.30 = 81,816.60 : x
  2. Step 2: Convert to fraction form
    222,076.20/333,114.30 = 81,816.60/x
  3. Step 3: Cross multiply
    222,076.20x = 333,114.30 × 81,816.60
  4. Step 4: Simplify right side
    222,076.20x = 27,254,279,437.38
  5. Step 5: Solve for x
    x = 27,254,279,437.38/222,076.20
  6. Step 6: Final answer
    x = 122,724.90

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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.