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Finding the Fourth Proportional to 69,941.99, 104,943.99 and 36,654.15

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Solution

The fourth proportional to 69,941.99, 104,943.99 and 36,654.15 is: 54,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,941.99 : 104,943.99 = 36,654.15 : x
  2. Step 2: Convert to fraction form
    69,941.99/104,943.99 = 36,654.15/x
  3. Step 3: Cross multiply
    69,941.99x = 104,943.99 × 36,654.15
  4. Step 4: Simplify right side
    69,941.99x = 3,846,632,226.34
  5. Step 5: Solve for x
    x = 3,846,632,226.34/69,941.99
  6. Step 6: Final answer
    x = 54,997.47

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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.