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Finding the Fourth Proportional to 161,487.29, 242,267.79 and 49,183.41

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Solution

The fourth proportional to 161,487.29, 242,267.79 and 49,183.41 is: 73,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,487.29 : 242,267.79 = 49,183.41 : x
  2. Step 2: Convert to fraction form
    161,487.29/242,267.79 = 49,183.41/x
  3. Step 3: Cross multiply
    161,487.29x = 242,267.79 × 49,183.41
  4. Step 4: Simplify right side
    161,487.29x = 11,915,556,045.36
  5. Step 5: Solve for x
    x = 11,915,556,045.36/161,487.29
  6. Step 6: Final answer
    x = 73,786.34

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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.