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Finding the Fourth Proportional to 247,960.22, 371,938.70 and 68,031.58

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Solution

The fourth proportional to 247,960.22, 371,938.70 and 68,031.58 is: 102,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,960.22 : 371,938.70 = 68,031.58 : x
  2. Step 2: Convert to fraction form
    247,960.22/371,938.70 = 68,031.58/x
  3. Step 3: Cross multiply
    247,960.22x = 371,938.70 × 68,031.58
  4. Step 4: Simplify right side
    247,960.22x = 25,303,577,361.76
  5. Step 5: Solve for x
    x = 25,303,577,361.76/247,960.22
  6. Step 6: Final answer
    x = 102,046.92

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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.