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Finding the Fourth Proportional to 80,601, 120,907.98 and 25,197

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Solution

The fourth proportional to 80,601, 120,907.98 and 25,197 is: 37,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,601 : 120,907.98 = 25,197 : x
  2. Step 2: Convert to fraction form
    80,601/120,907.98 = 25,197/x
  3. Step 3: Cross multiply
    80,601x = 120,907.98 × 25,197
  4. Step 4: Simplify right side
    80,601x = 3,046,518,372.06
  5. Step 5: Solve for x
    x = 3,046,518,372.06/80,601
  6. Step 6: Final answer
    x = 37,797.53

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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.