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Finding the Fourth Proportional to 208,059.33, 312,090.33 and 67,817.96

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Solution

The fourth proportional to 208,059.33, 312,090.33 and 67,817.96 is: 101,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,059.33 : 312,090.33 = 67,817.96 : x
  2. Step 2: Convert to fraction form
    208,059.33/312,090.33 = 67,817.96/x
  3. Step 3: Cross multiply
    208,059.33x = 312,090.33 × 67,817.96
  4. Step 4: Simplify right side
    208,059.33x = 21,165,329,380.53
  5. Step 5: Solve for x
    x = 21,165,329,380.53/208,059.33
  6. Step 6: Final answer
    x = 101,727.37

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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.