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Finding the Fourth Proportional to 222,683.72, 334,020.87 and 54,204.98

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Solution

The fourth proportional to 222,683.72, 334,020.87 and 54,204.98 is: 81,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,683.72 : 334,020.87 = 54,204.98 : x
  2. Step 2: Convert to fraction form
    222,683.72/334,020.87 = 54,204.98/x
  3. Step 3: Cross multiply
    222,683.72x = 334,020.87 × 54,204.98
  4. Step 4: Simplify right side
    222,683.72x = 18,105,592,907.83
  5. Step 5: Solve for x
    x = 18,105,592,907.83/222,683.72
  6. Step 6: Final answer
    x = 81,306.32

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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.