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Finding the Fourth Proportional to 222,559.33, 333,839.42 and 54,079.80

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Solution

The fourth proportional to 222,559.33, 333,839.42 and 54,079.80 is: 81,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,559.33 : 333,839.42 = 54,079.80 : x
  2. Step 2: Convert to fraction form
    222,559.33/333,839.42 = 54,079.80/x
  3. Step 3: Cross multiply
    222,559.33x = 333,839.42 × 54,079.80
  4. Step 4: Simplify right side
    222,559.33x = 18,053,969,065.72
  5. Step 5: Solve for x
    x = 18,053,969,065.72/222,559.33
  6. Step 6: Final answer
    x = 81,119.80

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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.