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Finding the Fourth Proportional to 202,510.40, 303,328.20 and 108,906.80

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Solution

The fourth proportional to 202,510.40, 303,328.20 and 108,906.80 is: 163,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,510.40 : 303,328.20 = 108,906.80 : x
  2. Step 2: Convert to fraction form
    202,510.40/303,328.20 = 108,906.80/x
  3. Step 3: Cross multiply
    202,510.40x = 303,328.20 × 108,906.80
  4. Step 4: Simplify right side
    202,510.40x = 33,034,503,611.76
  5. Step 5: Solve for x
    x = 33,034,503,611.76/202,510.40
  6. Step 6: Final answer
    x = 163,124.97

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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.