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Finding the Fourth Proportional to 222,408.90, 333,635.67 and 62,485.20

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Solution

The fourth proportional to 222,408.90, 333,635.67 and 62,485.20 is: 93,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,408.90 : 333,635.67 = 62,485.20 : x
  2. Step 2: Convert to fraction form
    222,408.90/333,635.67 = 62,485.20/x
  3. Step 3: Cross multiply
    222,408.90x = 333,635.67 × 62,485.20
  4. Step 4: Simplify right side
    222,408.90x = 20,847,289,898.91
  5. Step 5: Solve for x
    x = 20,847,289,898.91/222,408.90
  6. Step 6: Final answer
    x = 93,734.07

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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.