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Finding the Fourth Proportional to 69,833.80, 104,765.10 and 23,119.48

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Solution

The fourth proportional to 69,833.80, 104,765.10 and 23,119.48 is: 34,683.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,833.80 : 104,765.10 = 23,119.48 : x
  2. Step 2: Convert to fraction form
    69,833.80/104,765.10 = 23,119.48/x
  3. Step 3: Cross multiply
    69,833.80x = 104,765.10 × 23,119.48
  4. Step 4: Simplify right side
    69,833.80x = 2,422,114,634.15
  5. Step 5: Solve for x
    x = 2,422,114,634.15/69,833.80
  6. Step 6: Final answer
    x = 34,683.99

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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.