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Finding the Fourth Proportional to 68,763.36, 103,146.48 and 22,016.10

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Solution

The fourth proportional to 68,763.36, 103,146.48 and 22,016.10 is: 33,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,763.36 : 103,146.48 = 22,016.10 : x
  2. Step 2: Convert to fraction form
    68,763.36/103,146.48 = 22,016.10/x
  3. Step 3: Cross multiply
    68,763.36x = 103,146.48 × 22,016.10
  4. Step 4: Simplify right side
    68,763.36x = 2,270,883,218.33
  5. Step 5: Solve for x
    x = 2,270,883,218.33/68,763.36
  6. Step 6: Final answer
    x = 33,024.61

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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.