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Finding the Fourth Proportional to 222,466.44, 307,002.11 and 120,489.55

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Solution

The fourth proportional to 222,466.44, 307,002.11 and 120,489.55 is: 166,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,466.44 : 307,002.11 = 120,489.55 : x
  2. Step 2: Convert to fraction form
    222,466.44/307,002.11 = 120,489.55/x
  3. Step 3: Cross multiply
    222,466.44x = 307,002.11 × 120,489.55
  4. Step 4: Simplify right side
    222,466.44x = 36,990,546,082.95
  5. Step 5: Solve for x
    x = 36,990,546,082.95/222,466.44
  6. Step 6: Final answer
    x = 166,274.72

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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.