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Finding the Fourth Proportional to 248,174.22, 342,481.23 and 134,996.94

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Solution

The fourth proportional to 248,174.22, 342,481.23 and 134,996.94 is: 186,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,174.22 : 342,481.23 = 134,996.94 : x
  2. Step 2: Convert to fraction form
    248,174.22/342,481.23 = 134,996.94/x
  3. Step 3: Cross multiply
    248,174.22x = 342,481.23 × 134,996.94
  4. Step 4: Simplify right side
    248,174.22x = 46,233,918,057.44
  5. Step 5: Solve for x
    x = 46,233,918,057.44/248,174.22
  6. Step 6: Final answer
    x = 186,296.22

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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.