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Finding the Fourth Proportional to 222,516.35, 333,806.33 and 68,655.37

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Solution

The fourth proportional to 222,516.35, 333,806.33 and 68,655.37 is: 102,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,516.35 : 333,806.33 = 68,655.37 : x
  2. Step 2: Convert to fraction form
    222,516.35/333,806.33 = 68,655.37/x
  3. Step 3: Cross multiply
    222,516.35x = 333,806.33 × 68,655.37
  4. Step 4: Simplify right side
    222,516.35x = 22,917,597,094.49
  5. Step 5: Solve for x
    x = 22,917,597,094.49/222,516.35
  6. Step 6: Final answer
    x = 102,992.87

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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.