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Finding the Fourth Proportional to 222,089.70, 332,926.35 and 108,212.61

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Solution

The fourth proportional to 222,089.70, 332,926.35 and 108,212.61 is: 162,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,089.70 : 332,926.35 = 108,212.61 : x
  2. Step 2: Convert to fraction form
    222,089.70/332,926.35 = 108,212.61/x
  3. Step 3: Cross multiply
    222,089.70x = 332,926.35 × 108,212.61
  4. Step 4: Simplify right side
    222,089.70x = 36,026,829,271.27
  5. Step 5: Solve for x
    x = 36,026,829,271.27/222,089.70
  6. Step 6: Final answer
    x = 162,217.47

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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.