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Finding the Fourth Proportional to 222,797.28, 307,460.22 and 122,195.28

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Solution

The fourth proportional to 222,797.28, 307,460.22 and 122,195.28 is: 168,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,797.28 : 307,460.22 = 122,195.28 : x
  2. Step 2: Convert to fraction form
    222,797.28/307,460.22 = 122,195.28/x
  3. Step 3: Cross multiply
    222,797.28x = 307,460.22 × 122,195.28
  4. Step 4: Simplify right side
    222,797.28x = 37,570,187,671.76
  5. Step 5: Solve for x
    x = 37,570,187,671.76/222,797.28
  6. Step 6: Final answer
    x = 168,629.47

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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.