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Finding the Fourth Proportional to 79,884, 110,205.35 and 45,884.69

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Solution

The fourth proportional to 79,884, 110,205.35 and 45,884.69 is: 63,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,884 : 110,205.35 = 45,884.69 : x
  2. Step 2: Convert to fraction form
    79,884/110,205.35 = 45,884.69/x
  3. Step 3: Cross multiply
    79,884x = 110,205.35 × 45,884.69
  4. Step 4: Simplify right side
    79,884x = 5,056,738,321.09
  5. Step 5: Solve for x
    x = 5,056,738,321.09/79,884
  6. Step 6: Final answer
    x = 63,301.02

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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.