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Finding the Fourth Proportional to 70,504.98, 105,755.99 and 17,197.13

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Solution

The fourth proportional to 70,504.98, 105,755.99 and 17,197.13 is: 25,795.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,504.98 : 105,755.99 = 17,197.13 : x
  2. Step 2: Convert to fraction form
    70,504.98/105,755.99 = 17,197.13/x
  3. Step 3: Cross multiply
    70,504.98x = 105,755.99 × 17,197.13
  4. Step 4: Simplify right side
    70,504.98x = 1,818,698,893.54
  5. Step 5: Solve for x
    x = 1,818,698,893.54/70,504.98
  6. Step 6: Final answer
    x = 25,795.33

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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.