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Finding the Fourth Proportional to 117,361.24, 161,955.66 and 67,057

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Solution

The fourth proportional to 117,361.24, 161,955.66 and 67,057 is: 92,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,361.24 : 161,955.66 = 67,057 : x
  2. Step 2: Convert to fraction form
    117,361.24/161,955.66 = 67,057/x
  3. Step 3: Cross multiply
    117,361.24x = 161,955.66 × 67,057
  4. Step 4: Simplify right side
    117,361.24x = 10,860,260,692.62
  5. Step 5: Solve for x
    x = 10,860,260,692.62/117,361.24
  6. Step 6: Final answer
    x = 92,537.03

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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.