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Finding the Fourth Proportional to 161,487.40, 242,267.98 and 49,183.54

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Solution

The fourth proportional to 161,487.40, 242,267.98 and 49,183.54 is: 73,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,487.40 : 242,267.98 = 49,183.54 : x
  2. Step 2: Convert to fraction form
    161,487.40/242,267.98 = 49,183.54/x
  3. Step 3: Cross multiply
    161,487.40x = 242,267.98 × 49,183.54
  4. Step 4: Simplify right side
    161,487.40x = 11,915,596,885.05
  5. Step 5: Solve for x
    x = 11,915,596,885.05/161,487.40
  6. Step 6: Final answer
    x = 73,786.54

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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.