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Finding the Fourth Proportional to 69,991.41, 105,003.45 and 23,244.24

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Solution

The fourth proportional to 69,991.41, 105,003.45 and 23,244.24 is: 34,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,991.41 : 105,003.45 = 23,244.24 : x
  2. Step 2: Convert to fraction form
    69,991.41/105,003.45 = 23,244.24/x
  3. Step 3: Cross multiply
    69,991.41x = 105,003.45 × 23,244.24
  4. Step 4: Simplify right side
    69,991.41x = 2,440,725,392.63
  5. Step 5: Solve for x
    x = 2,440,725,392.63/69,991.41
  6. Step 6: Final answer
    x = 34,871.78

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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.