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Finding the Fourth Proportional to 69,361.03, 95,717.83 and 39,156.16

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Solution

The fourth proportional to 69,361.03, 95,717.83 and 39,156.16 is: 54,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,361.03 : 95,717.83 = 39,156.16 : x
  2. Step 2: Convert to fraction form
    69,361.03/95,717.83 = 39,156.16/x
  3. Step 3: Cross multiply
    69,361.03x = 95,717.83 × 39,156.16
  4. Step 4: Simplify right side
    69,361.03x = 3,747,942,666.33
  5. Step 5: Solve for x
    x = 3,747,942,666.33/69,361.03
  6. Step 6: Final answer
    x = 54,035.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.