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Finding the Fourth Proportional to 64,804.78, 96,976.20 and 44,818.33

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Solution

The fourth proportional to 64,804.78, 96,976.20 and 44,818.33 is: 67,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,804.78 : 96,976.20 = 44,818.33 : x
  2. Step 2: Convert to fraction form
    64,804.78/96,976.20 = 44,818.33/x
  3. Step 3: Cross multiply
    64,804.78x = 96,976.20 × 44,818.33
  4. Step 4: Simplify right side
    64,804.78x = 4,346,311,333.75
  5. Step 5: Solve for x
    x = 4,346,311,333.75/64,804.78
  6. Step 6: Final answer
    x = 67,067.76

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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.