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Finding the Fourth Proportional to 79,800.54, 119,664.06 and 23,620.56

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Solution

The fourth proportional to 79,800.54, 119,664.06 and 23,620.56 is: 35,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,800.54 : 119,664.06 = 23,620.56 : x
  2. Step 2: Convert to fraction form
    79,800.54/119,664.06 = 23,620.56/x
  3. Step 3: Cross multiply
    79,800.54x = 119,664.06 × 23,620.56
  4. Step 4: Simplify right side
    79,800.54x = 2,826,532,109.07
  5. Step 5: Solve for x
    x = 2,826,532,109.07/79,800.54
  6. Step 6: Final answer
    x = 35,419.96

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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.