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Finding the Fourth Proportional to 68,122.52, 102,050.92 and 38,450.60

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Solution

The fourth proportional to 68,122.52, 102,050.92 and 38,450.60 is: 57,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,122.52 : 102,050.92 = 38,450.60 : x
  2. Step 2: Convert to fraction form
    68,122.52/102,050.92 = 38,450.60/x
  3. Step 3: Cross multiply
    68,122.52x = 102,050.92 × 38,450.60
  4. Step 4: Simplify right side
    68,122.52x = 3,923,919,104.55
  5. Step 5: Solve for x
    x = 3,923,919,104.55/68,122.52
  6. Step 6: Final answer
    x = 57,600.91

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1.5x scale

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.