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Finding the Fourth Proportional to 222,499.67, 333,751.59 and 54,021.47

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Solution

The fourth proportional to 222,499.67, 333,751.59 and 54,021.47 is: 81,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,499.67 : 333,751.59 = 54,021.47 : x
  2. Step 2: Convert to fraction form
    222,499.67/333,751.59 = 54,021.47/x
  3. Step 3: Cross multiply
    222,499.67x = 333,751.59 × 54,021.47
  4. Step 4: Simplify right side
    222,499.67x = 18,029,749,837.88
  5. Step 5: Solve for x
    x = 18,029,749,837.88/222,499.67
  6. Step 6: Final answer
    x = 81,032.71

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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.