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Finding the Fourth Proportional to 224,481.51, 309,791.01 and 122,513.52

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Solution

The fourth proportional to 224,481.51, 309,791.01 and 122,513.52 is: 169,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,481.51 : 309,791.01 = 122,513.52 : x
  2. Step 2: Convert to fraction form
    224,481.51/309,791.01 = 122,513.52/x
  3. Step 3: Cross multiply
    224,481.51x = 309,791.01 × 122,513.52
  4. Step 4: Simplify right side
    224,481.51x = 37,953,587,099.46
  5. Step 5: Solve for x
    x = 37,953,587,099.46/224,481.51
  6. Step 6: Final answer
    x = 169,072.22

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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.