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Finding the Fourth Proportional to 222,077.20, 333,000.60 and 81,763.60

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Solution

The fourth proportional to 222,077.20, 333,000.60 and 81,763.60 is: 122,602.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,077.20 : 333,000.60 = 81,763.60 : x
  2. Step 2: Convert to fraction form
    222,077.20/333,000.60 = 81,763.60/x
  3. Step 3: Cross multiply
    222,077.20x = 333,000.60 × 81,763.60
  4. Step 4: Simplify right side
    222,077.20x = 27,227,327,858.16
  5. Step 5: Solve for x
    x = 27,227,327,858.16/222,077.20
  6. Step 6: Final answer
    x = 122,602.99

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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.