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Finding the Fourth Proportional to 16,815,640.20, 25,183,602.23 and 16,815,640.20

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Solution

The fourth proportional to 16,815,640.20, 25,183,602.23 and 16,815,640.20 is: 25,183,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815,640.20 : 25,183,602.23 = 16,815,640.20 : x
  2. Step 2: Convert to fraction form
    16,815,640.20/25,183,602.23 = 16,815,640.20/x
  3. Step 3: Cross multiply
    16,815,640.20x = 25,183,602.23 × 16,815,640.20
  4. Step 4: Simplify right side
    16,815,640.20x = 423,478,393,955,519.44
  5. Step 5: Solve for x
    x = 423,478,393,955,519.44/16,815,640.20
  6. Step 6: Final answer
    x = 25,183,602.23

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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.