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Finding the Fourth Proportional to 79,745.16, 119,641.13 and 23,586.75

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Solution

The fourth proportional to 79,745.16, 119,641.13 and 23,586.75 is: 35,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,745.16 : 119,641.13 = 23,586.75 : x
  2. Step 2: Convert to fraction form
    79,745.16/119,641.13 = 23,586.75/x
  3. Step 3: Cross multiply
    79,745.16x = 119,641.13 × 23,586.75
  4. Step 4: Simplify right side
    79,745.16x = 2,821,945,481.99
  5. Step 5: Solve for x
    x = 2,821,945,481.99/79,745.16
  6. Step 6: Final answer
    x = 35,387.04

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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.