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Finding the Fourth Proportional to 222,481.20, 306,939.30 and 164,477.21

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Solution

The fourth proportional to 222,481.20, 306,939.30 and 164,477.21 is: 226,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,481.20 : 306,939.30 = 164,477.21 : x
  2. Step 2: Convert to fraction form
    222,481.20/306,939.30 = 164,477.21/x
  3. Step 3: Cross multiply
    222,481.20x = 306,939.30 × 164,477.21
  4. Step 4: Simplify right side
    222,481.20x = 50,484,519,703.35
  5. Step 5: Solve for x
    x = 50,484,519,703.35/222,481.20
  6. Step 6: Final answer
    x = 226,915.89

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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.