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Finding the Fourth Proportional to 43,198.36, 64,803.03 and 16,899.73

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Solution

The fourth proportional to 43,198.36, 64,803.03 and 16,899.73 is: 25,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,198.36 : 64,803.03 = 16,899.73 : x
  2. Step 2: Convert to fraction form
    43,198.36/64,803.03 = 16,899.73/x
  3. Step 3: Cross multiply
    43,198.36x = 64,803.03 × 16,899.73
  4. Step 4: Simplify right side
    43,198.36x = 1,095,153,710.18
  5. Step 5: Solve for x
    x = 1,095,153,710.18/43,198.36
  6. Step 6: Final answer
    x = 25,351.74

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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.