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Finding the Fourth Proportional to 68,241,955.80, 102,362,933.70 and 22,183,735.80

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Solution

The fourth proportional to 68,241,955.80, 102,362,933.70 and 22,183,735.80 is: 33,275,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,241,955.80 : 102,362,933.70 = 22,183,735.80 : x
  2. Step 2: Convert to fraction form
    68,241,955.80/102,362,933.70 = 22,183,735.80/x
  3. Step 3: Cross multiply
    68,241,955.80x = 102,362,933.70 × 22,183,735.80
  4. Step 4: Simplify right side
    68,241,955.80x = 2,270,792,276,913,716.50
  5. Step 5: Solve for x
    x = 2,270,792,276,913,716.50/68,241,955.80
  6. Step 6: Final answer
    x = 33,275,603.70

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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.