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Finding the Fourth Proportional to 49,907,998.40, 74,861,997.60 and 49,907,998.40

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Solution

The fourth proportional to 49,907,998.40, 74,861,997.60 and 49,907,998.40 is: 74,861,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907,998.40 : 74,861,997.60 = 49,907,998.40 : x
  2. Step 2: Convert to fraction form
    49,907,998.40/74,861,997.60 = 49,907,998.40/x
  3. Step 3: Cross multiply
    49,907,998.40x = 74,861,997.60 × 49,907,998.40
  4. Step 4: Simplify right side
    49,907,998.40x = 3,736,212,456,441,603.50
  5. Step 5: Solve for x
    x = 3,736,212,456,441,603.50/49,907,998.40
  6. Step 6: Final answer
    x = 74,861,997.60

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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.