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Finding the Fourth Proportional to 67,812.80, 101,735.40 and 32,723.60

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Solution

The fourth proportional to 67,812.80, 101,735.40 and 32,723.60 is: 49,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,812.80 : 101,735.40 = 32,723.60 : x
  2. Step 2: Convert to fraction form
    67,812.80/101,735.40 = 32,723.60/x
  3. Step 3: Cross multiply
    67,812.80x = 101,735.40 × 32,723.60
  4. Step 4: Simplify right side
    67,812.80x = 3,329,148,535.44
  5. Step 5: Solve for x
    x = 3,329,148,535.44/67,812.80
  6. Step 6: Final answer
    x = 49,093.22

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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.