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Finding the Fourth Proportional to 70,644.27, 105,982.04 and 23,257.47

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Solution

The fourth proportional to 70,644.27, 105,982.04 and 23,257.47 is: 34,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,644.27 : 105,982.04 = 23,257.47 : x
  2. Step 2: Convert to fraction form
    70,644.27/105,982.04 = 23,257.47/x
  3. Step 3: Cross multiply
    70,644.27x = 105,982.04 × 23,257.47
  4. Step 4: Simplify right side
    70,644.27x = 2,464,873,999.55
  5. Step 5: Solve for x
    x = 2,464,873,999.55/70,644.27
  6. Step 6: Final answer
    x = 34,891.35

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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.