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Finding the Fourth Proportional to 263,873.70, 395,800.83 and 114,151.68

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Solution

The fourth proportional to 263,873.70, 395,800.83 and 114,151.68 is: 171,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,873.70 : 395,800.83 = 114,151.68 : x
  2. Step 2: Convert to fraction form
    263,873.70/395,800.83 = 114,151.68/x
  3. Step 3: Cross multiply
    263,873.70x = 395,800.83 × 114,151.68
  4. Step 4: Simplify right side
    263,873.70x = 45,181,329,689.89
  5. Step 5: Solve for x
    x = 45,181,329,689.89/263,873.70
  6. Step 6: Final answer
    x = 171,223.32

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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.