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Finding the Fourth Proportional to 222,907.72, 334,357.23 and 54,425.29

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Solution

The fourth proportional to 222,907.72, 334,357.23 and 54,425.29 is: 81,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,907.72 : 334,357.23 = 54,425.29 : x
  2. Step 2: Convert to fraction form
    222,907.72/334,357.23 = 54,425.29/x
  3. Step 3: Cross multiply
    222,907.72x = 334,357.23 × 54,425.29
  4. Step 4: Simplify right side
    222,907.72x = 18,197,489,206.35
  5. Step 5: Solve for x
    x = 18,197,489,206.35/222,907.72
  6. Step 6: Final answer
    x = 81,636.87

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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.