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Finding the Fourth Proportional to 222,561.32, 333,842.40 and 54,081.80

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Solution

The fourth proportional to 222,561.32, 333,842.40 and 54,081.80 is: 81,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,561.32 : 333,842.40 = 54,081.80 : x
  2. Step 2: Convert to fraction form
    222,561.32/333,842.40 = 54,081.80/x
  3. Step 3: Cross multiply
    222,561.32x = 333,842.40 × 54,081.80
  4. Step 4: Simplify right side
    222,561.32x = 18,054,797,908.32
  5. Step 5: Solve for x
    x = 18,054,797,908.32/222,561.32
  6. Step 6: Final answer
    x = 81,122.80

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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.