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Finding the Fourth Proportional to 271,804.01, 407,727.27 and 72,119.97

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Solution

The fourth proportional to 271,804.01, 407,727.27 and 72,119.97 is: 108,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,804.01 : 407,727.27 = 72,119.97 : x
  2. Step 2: Convert to fraction form
    271,804.01/407,727.27 = 72,119.97/x
  3. Step 3: Cross multiply
    271,804.01x = 407,727.27 × 72,119.97
  4. Step 4: Simplify right side
    271,804.01x = 29,405,278,480.58
  5. Step 5: Solve for x
    x = 29,405,278,480.58/271,804.01
  6. Step 6: Final answer
    x = 108,185.60

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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.