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Finding the Fourth Proportional to 222,868.65, 334,299.32 and 89,745.56

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Solution

The fourth proportional to 222,868.65, 334,299.32 and 89,745.56 is: 134,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,868.65 : 334,299.32 = 89,745.56 : x
  2. Step 2: Convert to fraction form
    222,868.65/334,299.32 = 89,745.56/x
  3. Step 3: Cross multiply
    222,868.65x = 334,299.32 × 89,745.56
  4. Step 4: Simplify right side
    222,868.65x = 30,001,877,560.79
  5. Step 5: Solve for x
    x = 30,001,877,560.79/222,868.65
  6. Step 6: Final answer
    x = 134,616.86

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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.