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Finding the Fourth Proportional to 79,295.92, 118,932.26 and 23,120.94

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Solution

The fourth proportional to 79,295.92, 118,932.26 and 23,120.94 is: 34,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,295.92 : 118,932.26 = 23,120.94 : x
  2. Step 2: Convert to fraction form
    79,295.92/118,932.26 = 23,120.94/x
  3. Step 3: Cross multiply
    79,295.92x = 118,932.26 × 23,120.94
  4. Step 4: Simplify right side
    79,295.92x = 2,749,825,647.52
  5. Step 5: Solve for x
    x = 2,749,825,647.52/79,295.92
  6. Step 6: Final answer
    x = 34,678.02

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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.