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Finding the Fourth Proportional to 69,816, 104,659.08 and 25,432.68

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Solution

The fourth proportional to 69,816, 104,659.08 and 25,432.68 is: 38,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,816 : 104,659.08 = 25,432.68 : x
  2. Step 2: Convert to fraction form
    69,816/104,659.08 = 25,432.68/x
  3. Step 3: Cross multiply
    69,816x = 104,659.08 × 25,432.68
  4. Step 4: Simplify right side
    69,816x = 2,661,760,890.73
  5. Step 5: Solve for x
    x = 2,661,760,890.73/69,816
  6. Step 6: Final answer
    x = 38,125.37

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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.