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Finding the Fourth Proportional to 79,806.83, 110,143.40 and 45,825.95

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Solution

The fourth proportional to 79,806.83, 110,143.40 and 45,825.95 is: 63,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,806.83 : 110,143.40 = 45,825.95 : x
  2. Step 2: Convert to fraction form
    79,806.83/110,143.40 = 45,825.95/x
  3. Step 3: Cross multiply
    79,806.83x = 110,143.40 × 45,825.95
  4. Step 4: Simplify right side
    79,806.83x = 5,047,425,712.10
  5. Step 5: Solve for x
    x = 5,047,425,712.10/79,806.83
  6. Step 6: Final answer
    x = 63,245.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.