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Finding the Fourth Proportional to 79,800.10, 110,124.89 and 43,991.39

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Solution

The fourth proportional to 79,800.10, 110,124.89 and 43,991.39 is: 60,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,800.10 : 110,124.89 = 43,991.39 : x
  2. Step 2: Convert to fraction form
    79,800.10/110,124.89 = 43,991.39/x
  3. Step 3: Cross multiply
    79,800.10x = 110,124.89 × 43,991.39
  4. Step 4: Simplify right side
    79,800.10x = 4,844,547,369.99
  5. Step 5: Solve for x
    x = 4,844,547,369.99/79,800.10
  6. Step 6: Final answer
    x = 60,708.54

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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.