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Finding the Fourth Proportional to 117,361.46, 161,954.44 and 69,586.22

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Solution

The fourth proportional to 117,361.46, 161,954.44 and 69,586.22 is: 96,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,361.46 : 161,954.44 = 69,586.22 : x
  2. Step 2: Convert to fraction form
    117,361.46/161,954.44 = 69,586.22/x
  3. Step 3: Cross multiply
    117,361.46x = 161,954.44 × 69,586.22
  4. Step 4: Simplify right side
    117,361.46x = 11,269,796,308.08
  5. Step 5: Solve for x
    x = 11,269,796,308.08/117,361.46
  6. Step 6: Final answer
    x = 96,026.39

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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.