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Finding the Fourth Proportional to 67,915.62, 101,811.06 and 23,511.31

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Solution

The fourth proportional to 67,915.62, 101,811.06 and 23,511.31 is: 35,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,915.62 : 101,811.06 = 23,511.31 : x
  2. Step 2: Convert to fraction form
    67,915.62/101,811.06 = 23,511.31/x
  3. Step 3: Cross multiply
    67,915.62x = 101,811.06 × 23,511.31
  4. Step 4: Simplify right side
    67,915.62x = 2,393,711,138.56
  5. Step 5: Solve for x
    x = 2,393,711,138.56/67,915.62
  6. Step 6: Final answer
    x = 35,245.37

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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.