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Finding the Fourth Proportional to 64,243.66, 96,371.94 and 22,118.17

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Solution

The fourth proportional to 64,243.66, 96,371.94 and 22,118.17 is: 33,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,243.66 : 96,371.94 = 22,118.17 : x
  2. Step 2: Convert to fraction form
    64,243.66/96,371.94 = 22,118.17/x
  3. Step 3: Cross multiply
    64,243.66x = 96,371.94 × 22,118.17
  4. Step 4: Simplify right side
    64,243.66x = 2,131,570,571.99
  5. Step 5: Solve for x
    x = 2,131,570,571.99/64,243.66
  6. Step 6: Final answer
    x = 33,179.47

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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.