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Finding the Fourth Proportional to 79,992.75, 119,970.66 and 23,827.77

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Solution

The fourth proportional to 79,992.75, 119,970.66 and 23,827.77 is: 35,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,992.75 : 119,970.66 = 23,827.77 : x
  2. Step 2: Convert to fraction form
    79,992.75/119,970.66 = 23,827.77/x
  3. Step 3: Cross multiply
    79,992.75x = 119,970.66 × 23,827.77
  4. Step 4: Simplify right side
    79,992.75x = 2,858,633,293.23
  5. Step 5: Solve for x
    x = 2,858,633,293.23/79,992.75
  6. Step 6: Final answer
    x = 35,736.15

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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.