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Finding the Fourth Proportional to 263,833.36, 395,744.49 and 64,154.77

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Solution

The fourth proportional to 263,833.36, 395,744.49 and 64,154.77 is: 96,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,833.36 : 395,744.49 = 64,154.77 : x
  2. Step 2: Convert to fraction form
    263,833.36/395,744.49 = 64,154.77/x
  3. Step 3: Cross multiply
    263,833.36x = 395,744.49 × 64,154.77
  4. Step 4: Simplify right side
    263,833.36x = 25,388,896,734.72
  5. Step 5: Solve for x
    x = 25,388,896,734.72/263,833.36
  6. Step 6: Final answer
    x = 96,230.81

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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.