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Finding the Fourth Proportional to 69,770.31, 104,668.02 and 25,459.26

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Solution

The fourth proportional to 69,770.31, 104,668.02 and 25,459.26 is: 38,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,770.31 : 104,668.02 = 25,459.26 : x
  2. Step 2: Convert to fraction form
    69,770.31/104,668.02 = 25,459.26/x
  3. Step 3: Cross multiply
    69,770.31x = 104,668.02 × 25,459.26
  4. Step 4: Simplify right side
    69,770.31x = 2,664,770,334.87
  5. Step 5: Solve for x
    x = 2,664,770,334.87/69,770.31
  6. Step 6: Final answer
    x = 38,193.47

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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.