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Finding the Fourth Proportional to 69,900.49, 104,825.22 and 25,514.11

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Solution

The fourth proportional to 69,900.49, 104,825.22 and 25,514.11 is: 38,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,900.49 : 104,825.22 = 25,514.11 : x
  2. Step 2: Convert to fraction form
    69,900.49/104,825.22 = 25,514.11/x
  3. Step 3: Cross multiply
    69,900.49x = 104,825.22 × 25,514.11
  4. Step 4: Simplify right side
    69,900.49x = 2,674,522,229.21
  5. Step 5: Solve for x
    x = 2,674,522,229.21/69,900.49
  6. Step 6: Final answer
    x = 38,261.85

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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.