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Finding the Fourth Proportional to 202,183,503.80, 303,275,255.70 and 198,152,425.40

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Solution

The fourth proportional to 202,183,503.80, 303,275,255.70 and 198,152,425.40 is: 297,228,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,183,503.80 : 303,275,255.70 = 198,152,425.40 : x
  2. Step 2: Convert to fraction form
    202,183,503.80/303,275,255.70 = 198,152,425.40/x
  3. Step 3: Cross multiply
    202,183,503.80x = 303,275,255.70 × 198,152,425.40
  4. Step 4: Simplify right side
    202,183,503.80x = 60,094,727,480,760,176
  5. Step 5: Solve for x
    x = 60,094,727,480,760,176/202,183,503.80
  6. Step 6: Final answer
    x = 297,228,638.10

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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.