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Finding the Fourth Proportional to 67,915.92, 101,850.80 and 23,532.31

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Solution

The fourth proportional to 67,915.92, 101,850.80 and 23,532.31 is: 35,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,915.92 : 101,850.80 = 23,532.31 : x
  2. Step 2: Convert to fraction form
    67,915.92/101,850.80 = 23,532.31/x
  3. Step 3: Cross multiply
    67,915.92x = 101,850.80 × 23,532.31
  4. Step 4: Simplify right side
    67,915.92x = 2,396,784,599.35
  5. Step 5: Solve for x
    x = 2,396,784,599.35/67,915.92
  6. Step 6: Final answer
    x = 35,290.47

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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.