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Finding the Fourth Proportional to 222,006.31, 332,934.10 and 72,209.45

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Solution

The fourth proportional to 222,006.31, 332,934.10 and 72,209.45 is: 108,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,006.31 : 332,934.10 = 72,209.45 : x
  2. Step 2: Convert to fraction form
    222,006.31/332,934.10 = 72,209.45/x
  3. Step 3: Cross multiply
    222,006.31x = 332,934.10 × 72,209.45
  4. Step 4: Simplify right side
    222,006.31x = 24,040,988,899.06
  5. Step 5: Solve for x
    x = 24,040,988,899.06/222,006.31
  6. Step 6: Final answer
    x = 108,289.67

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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.