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Finding the Fourth Proportional to 161,620.77, 242,469.32 and 50,812.77

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Solution

The fourth proportional to 161,620.77, 242,469.32 and 50,812.77 is: 76,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,620.77 : 242,469.32 = 50,812.77 : x
  2. Step 2: Convert to fraction form
    161,620.77/242,469.32 = 50,812.77/x
  3. Step 3: Cross multiply
    161,620.77x = 242,469.32 × 50,812.77
  4. Step 4: Simplify right side
    161,620.77x = 12,320,537,535.15
  5. Step 5: Solve for x
    x = 12,320,537,535.15/161,620.77
  6. Step 6: Final answer
    x = 76,231.15

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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.