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Finding the Fourth Proportional to 161,800.53, 242,735.83 and 61,960.73

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Solution

The fourth proportional to 161,800.53, 242,735.83 and 61,960.73 is: 92,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,800.53 : 242,735.83 = 61,960.73 : x
  2. Step 2: Convert to fraction form
    161,800.53/242,735.83 = 61,960.73/x
  3. Step 3: Cross multiply
    161,800.53x = 242,735.83 × 61,960.73
  4. Step 4: Simplify right side
    161,800.53x = 15,040,089,223.96
  5. Step 5: Solve for x
    x = 15,040,089,223.96/161,800.53
  6. Step 6: Final answer
    x = 92,954.51

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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.