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Finding the Fourth Proportional to 248,753, 343,279.14 and 135,576.02

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Solution

The fourth proportional to 248,753, 343,279.14 and 135,576.02 is: 187,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,753 : 343,279.14 = 135,576.02 : x
  2. Step 2: Convert to fraction form
    248,753/343,279.14 = 135,576.02/x
  3. Step 3: Cross multiply
    248,753x = 343,279.14 × 135,576.02
  4. Step 4: Simplify right side
    248,753x = 46,540,419,550.22
  5. Step 5: Solve for x
    x = 46,540,419,550.22/248,753
  6. Step 6: Final answer
    x = 187,094.91

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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.