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Finding the Fourth Proportional to 271,685.80, 407,266.26 and 94,059.28

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Solution

The fourth proportional to 271,685.80, 407,266.26 and 94,059.28 is: 140,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,685.80 : 407,266.26 = 94,059.28 : x
  2. Step 2: Convert to fraction form
    271,685.80/407,266.26 = 94,059.28/x
  3. Step 3: Cross multiply
    271,685.80x = 407,266.26 × 94,059.28
  4. Step 4: Simplify right side
    271,685.80x = 38,307,171,183.89
  5. Step 5: Solve for x
    x = 38,307,171,183.89/271,685.80
  6. Step 6: Final answer
    x = 140,998.06

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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.