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Finding the Fourth Proportional to 55,425.54, 83,087.97 and 22,138.50

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Solution

The fourth proportional to 55,425.54, 83,087.97 and 22,138.50 is: 33,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.54 : 83,087.97 = 22,138.50 : x
  2. Step 2: Convert to fraction form
    55,425.54/83,087.97 = 22,138.50/x
  3. Step 3: Cross multiply
    55,425.54x = 83,087.97 × 22,138.50
  4. Step 4: Simplify right side
    55,425.54x = 1,839,443,023.85
  5. Step 5: Solve for x
    x = 1,839,443,023.85/55,425.54
  6. Step 6: Final answer
    x = 33,187.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.