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Finding the Fourth Proportional to 18,792,107.93, 28,188,161.90 and 18,792,107.93

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Solution

The fourth proportional to 18,792,107.93, 28,188,161.90 and 18,792,107.93 is: 28,188,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,107.93 : 28,188,161.90 = 18,792,107.93 : x
  2. Step 2: Convert to fraction form
    18,792,107.93/28,188,161.90 = 18,792,107.93/x
  3. Step 3: Cross multiply
    18,792,107.93x = 28,188,161.90 × 18,792,107.93
  4. Step 4: Simplify right side
    18,792,107.93x = 529,714,980,538,212.50
  5. Step 5: Solve for x
    x = 529,714,980,538,212.50/18,792,107.93
  6. Step 6: Final answer
    x = 28,188,161.90

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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.