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Finding the Fourth Proportional to 222,604.88, 307,214.17 and 122,022.32

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Solution

The fourth proportional to 222,604.88, 307,214.17 and 122,022.32 is: 168,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,604.88 : 307,214.17 = 122,022.32 : x
  2. Step 2: Convert to fraction form
    222,604.88/307,214.17 = 122,022.32/x
  3. Step 3: Cross multiply
    222,604.88x = 307,214.17 × 122,022.32
  4. Step 4: Simplify right side
    222,604.88x = 37,486,983,919.15
  5. Step 5: Solve for x
    x = 37,486,983,919.15/222,604.88
  6. Step 6: Final answer
    x = 168,401.45

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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.