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Finding the Fourth Proportional to 222,096.36, 306,493.38 and 121,494.36

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Solution

The fourth proportional to 222,096.36, 306,493.38 and 121,494.36 is: 167,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,096.36 : 306,493.38 = 121,494.36 : x
  2. Step 2: Convert to fraction form
    222,096.36/306,493.38 = 121,494.36/x
  3. Step 3: Cross multiply
    222,096.36x = 306,493.38 × 121,494.36
  4. Step 4: Simplify right side
    222,096.36x = 37,237,217,047.34
  5. Step 5: Solve for x
    x = 37,237,217,047.34/222,096.36
  6. Step 6: Final answer
    x = 167,662.44

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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.