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Finding the Fourth Proportional to 248,251.34, 342,576.76 and 140,819.06

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Solution

The fourth proportional to 248,251.34, 342,576.76 and 140,819.06 is: 194,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,251.34 : 342,576.76 = 140,819.06 : x
  2. Step 2: Convert to fraction form
    248,251.34/342,576.76 = 140,819.06/x
  3. Step 3: Cross multiply
    248,251.34x = 342,576.76 × 140,819.06
  4. Step 4: Simplify right side
    248,251.34x = 48,241,338,033.31
  5. Step 5: Solve for x
    x = 48,241,338,033.31/248,251.34
  6. Step 6: Final answer
    x = 194,324.58

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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.