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Finding the Fourth Proportional to 247,809.62, 371,714.72 and 67,896.57

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Solution

The fourth proportional to 247,809.62, 371,714.72 and 67,896.57 is: 101,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,809.62 : 371,714.72 = 67,896.57 : x
  2. Step 2: Convert to fraction form
    247,809.62/371,714.72 = 67,896.57/x
  3. Step 3: Cross multiply
    247,809.62x = 371,714.72 × 67,896.57
  4. Step 4: Simplify right side
    247,809.62x = 25,238,155,466.69
  5. Step 5: Solve for x
    x = 25,238,155,466.69/247,809.62
  6. Step 6: Final answer
    x = 101,844.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.