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Finding the Fourth Proportional to 323,388.15, 485,153.24 and 95,665.95

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Solution

The fourth proportional to 323,388.15, 485,153.24 and 95,665.95 is: 143,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,388.15 : 485,153.24 = 95,665.95 : x
  2. Step 2: Convert to fraction form
    323,388.15/485,153.24 = 95,665.95/x
  3. Step 3: Cross multiply
    323,388.15x = 485,153.24 × 95,665.95
  4. Step 4: Simplify right side
    323,388.15x = 46,412,645,121.85
  5. Step 5: Solve for x
    x = 46,412,645,121.85/323,388.15
  6. Step 6: Final answer
    x = 143,519.93

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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.