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Finding the Fourth Proportional to 61,573.56, 92,183.22 and 55,162.68

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Solution

The fourth proportional to 61,573.56, 92,183.22 and 55,162.68 is: 82,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,573.56 : 92,183.22 = 55,162.68 : x
  2. Step 2: Convert to fraction form
    61,573.56/92,183.22 = 55,162.68/x
  3. Step 3: Cross multiply
    61,573.56x = 92,183.22 × 55,162.68
  4. Step 4: Simplify right side
    61,573.56x = 5,085,073,466.23
  5. Step 5: Solve for x
    x = 5,085,073,466.23/61,573.56
  6. Step 6: Final answer
    x = 82,585.34

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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.