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Finding the Fourth Proportional to 67,900.93, 101,828.32 and 23,517.31

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Solution

The fourth proportional to 67,900.93, 101,828.32 and 23,517.31 is: 35,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,900.93 : 101,828.32 = 23,517.31 : x
  2. Step 2: Convert to fraction form
    67,900.93/101,828.32 = 23,517.31/x
  3. Step 3: Cross multiply
    67,900.93x = 101,828.32 × 23,517.31
  4. Step 4: Simplify right side
    67,900.93x = 2,394,727,943.05
  5. Step 5: Solve for x
    x = 2,394,727,943.05/67,900.93
  6. Step 6: Final answer
    x = 35,267.97

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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.