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Finding the Fourth Proportional to 224,356.29, 309,617.52 and 122,383.47

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Solution

The fourth proportional to 224,356.29, 309,617.52 and 122,383.47 is: 168,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,356.29 : 309,617.52 = 122,383.47 : x
  2. Step 2: Convert to fraction form
    224,356.29/309,617.52 = 122,383.47/x
  3. Step 3: Cross multiply
    224,356.29x = 309,617.52 × 122,383.47
  4. Step 4: Simplify right side
    224,356.29x = 37,892,066,470.39
  5. Step 5: Solve for x
    x = 37,892,066,470.39/224,356.29
  6. Step 6: Final answer
    x = 168,892.37

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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.