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Finding the Fourth Proportional to 222,609.78, 333,914.58 and 54,129.06

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Solution

The fourth proportional to 222,609.78, 333,914.58 and 54,129.06 is: 81,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,609.78 : 333,914.58 = 54,129.06 : x
  2. Step 2: Convert to fraction form
    222,609.78/333,914.58 = 54,129.06/x
  3. Step 3: Cross multiply
    222,609.78x = 333,914.58 × 54,129.06
  4. Step 4: Simplify right side
    222,609.78x = 18,074,482,335.69
  5. Step 5: Solve for x
    x = 18,074,482,335.69/222,609.78
  6. Step 6: Final answer
    x = 81,193.57

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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.