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Finding the Fourth Proportional to 67,107.96, 100,173.51 and 62,243.64

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Solution

The fourth proportional to 67,107.96, 100,173.51 and 62,243.64 is: 92,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,107.96 : 100,173.51 = 62,243.64 : x
  2. Step 2: Convert to fraction form
    67,107.96/100,173.51 = 62,243.64/x
  3. Step 3: Cross multiply
    67,107.96x = 100,173.51 × 62,243.64
  4. Step 4: Simplify right side
    67,107.96x = 6,235,163,893.98
  5. Step 5: Solve for x
    x = 6,235,163,893.98/67,107.96
  6. Step 6: Final answer
    x = 92,912.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.