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Finding the Fourth Proportional to 222,663.89, 333,912.87 and 89,499.26

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Solution

The fourth proportional to 222,663.89, 333,912.87 and 89,499.26 is: 134,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,663.89 : 333,912.87 = 89,499.26 : x
  2. Step 2: Convert to fraction form
    222,663.89/333,912.87 = 89,499.26/x
  3. Step 3: Cross multiply
    222,663.89x = 333,912.87 × 89,499.26
  4. Step 4: Simplify right side
    222,663.89x = 29,884,953,099.91
  5. Step 5: Solve for x
    x = 29,884,953,099.91/222,663.89
  6. Step 6: Final answer
    x = 134,215.54

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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.