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Finding the Fourth Proportional to 79,110.96, 118,653.48 and 23,694

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Solution

The fourth proportional to 79,110.96, 118,653.48 and 23,694 is: 35,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,110.96 : 118,653.48 = 23,694 : x
  2. Step 2: Convert to fraction form
    79,110.96/118,653.48 = 23,694/x
  3. Step 3: Cross multiply
    79,110.96x = 118,653.48 × 23,694
  4. Step 4: Simplify right side
    79,110.96x = 2,811,375,555.12
  5. Step 5: Solve for x
    x = 2,811,375,555.12/79,110.96
  6. Step 6: Final answer
    x = 35,537.12

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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.