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Finding the Fourth Proportional to 49,831,453.05, 74,747,179.58 and 49,831,453.05

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Solution

The fourth proportional to 49,831,453.05, 74,747,179.58 and 49,831,453.05 is: 74,747,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831,453.05 : 74,747,179.58 = 49,831,453.05 : x
  2. Step 2: Convert to fraction form
    49,831,453.05/74,747,179.58 = 49,831,453.05/x
  3. Step 3: Cross multiply
    49,831,453.05x = 74,747,179.58 × 49,831,453.05
  4. Step 4: Simplify right side
    49,831,453.05x = 3,724,760,569,611,531.50
  5. Step 5: Solve for x
    x = 3,724,760,569,611,531.50/49,831,453.05
  6. Step 6: Final answer
    x = 74,747,179.58

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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.