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Finding the Fourth Proportional to 222,540.89, 333,853.17 and 89,431.70

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Solution

The fourth proportional to 222,540.89, 333,853.17 and 89,431.70 is: 134,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,540.89 : 333,853.17 = 89,431.70 : x
  2. Step 2: Convert to fraction form
    222,540.89/333,853.17 = 89,431.70/x
  3. Step 3: Cross multiply
    222,540.89x = 333,853.17 × 89,431.70
  4. Step 4: Simplify right side
    222,540.89x = 29,857,056,543.49
  5. Step 5: Solve for x
    x = 29,857,056,543.49/222,540.89
  6. Step 6: Final answer
    x = 134,164.36

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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.