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Finding the Fourth Proportional to 161,399.25, 242,137.77 and 50,591.25

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Solution

The fourth proportional to 161,399.25, 242,137.77 and 50,591.25 is: 75,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,399.25 : 242,137.77 = 50,591.25 : x
  2. Step 2: Convert to fraction form
    161,399.25/242,137.77 = 50,591.25/x
  3. Step 3: Cross multiply
    161,399.25x = 242,137.77 × 50,591.25
  4. Step 4: Simplify right side
    161,399.25x = 12,250,052,456.51
  5. Step 5: Solve for x
    x = 12,250,052,456.51/161,399.25
  6. Step 6: Final answer
    x = 75,899.07

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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.