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Finding the Fourth Proportional to 224,356.79, 309,618.21 and 122,383.97

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Solution

The fourth proportional to 224,356.79, 309,618.21 and 122,383.97 is: 168,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,356.79 : 309,618.21 = 122,383.97 : x
  2. Step 2: Convert to fraction form
    224,356.79/309,618.21 = 122,383.97/x
  3. Step 3: Cross multiply
    224,356.79x = 309,618.21 × 122,383.97
  4. Step 4: Simplify right side
    224,356.79x = 37,892,305,724.09
  5. Step 5: Solve for x
    x = 37,892,305,724.09/224,356.79
  6. Step 6: Final answer
    x = 168,893.06

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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.