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Finding the Fourth Proportional to 248,469.11, 342,893 and 141,029.09

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Solution

The fourth proportional to 248,469.11, 342,893 and 141,029.09 is: 194,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,469.11 : 342,893 = 141,029.09 : x
  2. Step 2: Convert to fraction form
    248,469.11/342,893 = 141,029.09/x
  3. Step 3: Cross multiply
    248,469.11x = 342,893 × 141,029.09
  4. Step 4: Simplify right side
    248,469.11x = 48,357,887,757.37
  5. Step 5: Solve for x
    x = 48,357,887,757.37/248,469.11
  6. Step 6: Final answer
    x = 194,623.34

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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.