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Finding the Fourth Proportional to 222,442.72, 333,594.24 and 72,648.88

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Solution

The fourth proportional to 222,442.72, 333,594.24 and 72,648.88 is: 108,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,442.72 : 333,594.24 = 72,648.88 : x
  2. Step 2: Convert to fraction form
    222,442.72/333,594.24 = 72,648.88/x
  3. Step 3: Cross multiply
    222,442.72x = 333,594.24 × 72,648.88
  4. Step 4: Simplify right side
    222,442.72x = 24,235,247,910.45
  5. Step 5: Solve for x
    x = 24,235,247,910.45/222,442.72
  6. Step 6: Final answer
    x = 108,950.51

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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.