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Finding the Fourth Proportional to 149,863.40, 224,766.30 and 44,685.80

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Solution

The fourth proportional to 149,863.40, 224,766.30 and 44,685.80 is: 67,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,863.40 : 224,766.30 = 44,685.80 : x
  2. Step 2: Convert to fraction form
    149,863.40/224,766.30 = 44,685.80/x
  3. Step 3: Cross multiply
    149,863.40x = 224,766.30 × 44,685.80
  4. Step 4: Simplify right side
    149,863.40x = 10,043,861,928.54
  5. Step 5: Solve for x
    x = 10,043,861,928.54/149,863.40
  6. Step 6: Final answer
    x = 67,020.11

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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.