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Finding the Fourth Proportional to 71,361.33, 106,896.66 and 33,807.57

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Solution

The fourth proportional to 71,361.33, 106,896.66 and 33,807.57 is: 50,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,361.33 : 106,896.66 = 33,807.57 : x
  2. Step 2: Convert to fraction form
    71,361.33/106,896.66 = 33,807.57/x
  3. Step 3: Cross multiply
    71,361.33x = 106,896.66 × 33,807.57
  4. Step 4: Simplify right side
    71,361.33x = 3,613,916,315.72
  5. Step 5: Solve for x
    x = 3,613,916,315.72/71,361.33
  6. Step 6: Final answer
    x = 50,642.50

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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.