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Finding the Fourth Proportional to 69,876,132.60, 104,814,198.90 and 69,876,132.60

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Solution

The fourth proportional to 69,876,132.60, 104,814,198.90 and 69,876,132.60 is: 104,814,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,876,132.60 : 104,814,198.90 = 69,876,132.60 : x
  2. Step 2: Convert to fraction form
    69,876,132.60/104,814,198.90 = 69,876,132.60/x
  3. Step 3: Cross multiply
    69,876,132.60x = 104,814,198.90 × 69,876,132.60
  4. Step 4: Simplify right side
    69,876,132.60x = 7,324,010,860,699,174
  5. Step 5: Solve for x
    x = 7,324,010,860,699,174/69,876,132.60
  6. Step 6: Final answer
    x = 104,814,198.90

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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.