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Finding the Fourth Proportional to 222,000.44, 306,396.78 and 165,018.15

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Solution

The fourth proportional to 222,000.44, 306,396.78 and 165,018.15 is: 227,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,000.44 : 306,396.78 = 165,018.15 : x
  2. Step 2: Convert to fraction form
    222,000.44/306,396.78 = 165,018.15/x
  3. Step 3: Cross multiply
    222,000.44x = 306,396.78 × 165,018.15
  4. Step 4: Simplify right side
    222,000.44x = 50,561,029,801.56
  5. Step 5: Solve for x
    x = 50,561,029,801.56/222,000.44
  6. Step 6: Final answer
    x = 227,751.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.