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Finding the Fourth Proportional to 67,063.01, 100,610.09 and 19,676.19

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Solution

The fourth proportional to 67,063.01, 100,610.09 and 19,676.19 is: 29,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,063.01 : 100,610.09 = 19,676.19 : x
  2. Step 2: Convert to fraction form
    67,063.01/100,610.09 = 19,676.19/x
  3. Step 3: Cross multiply
    67,063.01x = 100,610.09 × 19,676.19
  4. Step 4: Simplify right side
    67,063.01x = 1,979,623,148.38
  5. Step 5: Solve for x
    x = 1,979,623,148.38/67,063.01
  6. Step 6: Final answer
    x = 29,518.86

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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.