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Finding the Fourth Proportional to 183,361.25, 275,149.10 and 76,736.30

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Solution

The fourth proportional to 183,361.25, 275,149.10 and 76,736.30 is: 115,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,361.25 : 275,149.10 = 76,736.30 : x
  2. Step 2: Convert to fraction form
    183,361.25/275,149.10 = 76,736.30/x
  3. Step 3: Cross multiply
    183,361.25x = 275,149.10 × 76,736.30
  4. Step 4: Simplify right side
    183,361.25x = 21,113,922,698.43
  5. Step 5: Solve for x
    x = 21,113,922,698.43/183,361.25
  6. Step 6: Final answer
    x = 115,149.32

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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.