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Finding the Fourth Proportional to 61,894.64, 85,086.17 and 53,249.27

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Solution

The fourth proportional to 61,894.64, 85,086.17 and 53,249.27 is: 73,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,894.64 : 85,086.17 = 53,249.27 : x
  2. Step 2: Convert to fraction form
    61,894.64/85,086.17 = 53,249.27/x
  3. Step 3: Cross multiply
    61,894.64x = 85,086.17 × 53,249.27
  4. Step 4: Simplify right side
    61,894.64x = 4,530,775,947.60
  5. Step 5: Solve for x
    x = 4,530,775,947.60/61,894.64
  6. Step 6: Final answer
    x = 73,201.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.