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Finding the Fourth Proportional to 224,481.53, 309,791.06 and 122,513.54

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Solution

The fourth proportional to 224,481.53, 309,791.06 and 122,513.54 is: 169,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,481.53 : 309,791.06 = 122,513.54 : x
  2. Step 2: Convert to fraction form
    224,481.53/309,791.06 = 122,513.54/x
  3. Step 3: Cross multiply
    224,481.53x = 309,791.06 × 122,513.54
  4. Step 4: Simplify right side
    224,481.53x = 37,953,599,279.28
  5. Step 5: Solve for x
    x = 37,953,599,279.28/224,481.53
  6. Step 6: Final answer
    x = 169,072.26

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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.