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Finding the Fourth Proportional to 222,636.96, 307,227.60 and 122,015.52

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Solution

The fourth proportional to 222,636.96, 307,227.60 and 122,015.52 is: 168,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,636.96 : 307,227.60 = 122,015.52 : x
  2. Step 2: Convert to fraction form
    222,636.96/307,227.60 = 122,015.52/x
  3. Step 3: Cross multiply
    222,636.96x = 307,227.60 × 122,015.52
  4. Step 4: Simplify right side
    222,636.96x = 37,486,535,372.35
  5. Step 5: Solve for x
    x = 37,486,535,372.35/222,636.96
  6. Step 6: Final answer
    x = 168,375.17

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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.