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Finding the Fourth Proportional to 222,769.60, 333,862.80 and 89,540.80

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Solution

The fourth proportional to 222,769.60, 333,862.80 and 89,540.80 is: 134,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,769.60 : 333,862.80 = 89,540.80 : x
  2. Step 2: Convert to fraction form
    222,769.60/333,862.80 = 89,540.80/x
  3. Step 3: Cross multiply
    222,769.60x = 333,862.80 × 89,540.80
  4. Step 4: Simplify right side
    222,769.60x = 29,894,342,202.24
  5. Step 5: Solve for x
    x = 29,894,342,202.24/222,769.60
  6. Step 6: Final answer
    x = 134,193.99

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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.