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Finding the Fourth Proportional to 222,027.96, 332,886.18 and 81,768.60

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Solution

The fourth proportional to 222,027.96, 332,886.18 and 81,768.60 is: 122,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,027.96 : 332,886.18 = 81,768.60 : x
  2. Step 2: Convert to fraction form
    222,027.96/332,886.18 = 81,768.60/x
  3. Step 3: Cross multiply
    222,027.96x = 332,886.18 × 81,768.60
  4. Step 4: Simplify right side
    222,027.96x = 27,219,636,897.95
  5. Step 5: Solve for x
    x = 27,219,636,897.95/222,027.96
  6. Step 6: Final answer
    x = 122,595.54

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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.