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Finding the Fourth Proportional to 269,496,087.80, 404,384,099.70 and 125,888,919.80

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Solution

The fourth proportional to 269,496,087.80, 404,384,099.70 and 125,888,919.80 is: 188,898,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,496,087.80 : 404,384,099.70 = 125,888,919.80 : x
  2. Step 2: Convert to fraction form
    269,496,087.80/404,384,099.70 = 125,888,919.80/x
  3. Step 3: Cross multiply
    269,496,087.80x = 404,384,099.70 × 125,888,919.80
  4. Step 4: Simplify right side
    269,496,087.80x = 50,907,477,495,528,504
  5. Step 5: Solve for x
    x = 50,907,477,495,528,504/269,496,087.80
  6. Step 6: Final answer
    x = 188,898,762.54

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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.