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Finding the Fourth Proportional to 82,055.37, 113,205.87 and 55,155.27

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Solution

The fourth proportional to 82,055.37, 113,205.87 and 55,155.27 is: 76,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,055.37 : 113,205.87 = 55,155.27 : x
  2. Step 2: Convert to fraction form
    82,055.37/113,205.87 = 55,155.27/x
  3. Step 3: Cross multiply
    82,055.37x = 113,205.87 × 55,155.27
  4. Step 4: Simplify right side
    82,055.37x = 6,243,900,325.43
  5. Step 5: Solve for x
    x = 6,243,900,325.43/82,055.37
  6. Step 6: Final answer
    x = 76,093.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.