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Finding the Fourth Proportional to 202,818.80, 304,487.40 and 108,124.40

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Solution

The fourth proportional to 202,818.80, 304,487.40 and 108,124.40 is: 162,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,818.80 : 304,487.40 = 108,124.40 : x
  2. Step 2: Convert to fraction form
    202,818.80/304,487.40 = 108,124.40/x
  3. Step 3: Cross multiply
    202,818.80x = 304,487.40 × 108,124.40
  4. Step 4: Simplify right side
    202,818.80x = 32,922,517,432.56
  5. Step 5: Solve for x
    x = 32,922,517,432.56/202,818.80
  6. Step 6: Final answer
    x = 162,324.78

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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.