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Finding the Fourth Proportional to 222,425.60, 333,638.40 and 97,766.60

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Solution

The fourth proportional to 222,425.60, 333,638.40 and 97,766.60 is: 146,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,425.60 : 333,638.40 = 97,766.60 : x
  2. Step 2: Convert to fraction form
    222,425.60/333,638.40 = 97,766.60/x
  3. Step 3: Cross multiply
    222,425.60x = 333,638.40 × 97,766.60
  4. Step 4: Simplify right side
    222,425.60x = 32,618,691,997.44
  5. Step 5: Solve for x
    x = 32,618,691,997.44/222,425.60
  6. Step 6: Final answer
    x = 146,649.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.