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Finding the Fourth Proportional to 70,200.42, 105,300.63 and 23,453.30

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Solution

The fourth proportional to 70,200.42, 105,300.63 and 23,453.30 is: 35,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,200.42 : 105,300.63 = 23,453.30 : x
  2. Step 2: Convert to fraction form
    70,200.42/105,300.63 = 23,453.30/x
  3. Step 3: Cross multiply
    70,200.42x = 105,300.63 × 23,453.30
  4. Step 4: Simplify right side
    70,200.42x = 2,469,647,002.48
  5. Step 5: Solve for x
    x = 2,469,647,002.48/70,200.42
  6. Step 6: Final answer
    x = 35,179.95

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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.