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Finding the Fourth Proportional to 67,163.99, 92,096.89 and 65,414.39

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Solution

The fourth proportional to 67,163.99, 92,096.89 and 65,414.39 is: 89,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,163.99 : 92,096.89 = 65,414.39 : x
  2. Step 2: Convert to fraction form
    67,163.99/92,096.89 = 65,414.39/x
  3. Step 3: Cross multiply
    67,163.99x = 92,096.89 × 65,414.39
  4. Step 4: Simplify right side
    67,163.99x = 6,024,461,880.25
  5. Step 5: Solve for x
    x = 6,024,461,880.25/67,163.99
  6. Step 6: Final answer
    x = 89,697.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.