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Finding the Fourth Proportional to 89,103.54, 122,962.82 and 48,819.82

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Solution

The fourth proportional to 89,103.54, 122,962.82 and 48,819.82 is: 67,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,103.54 : 122,962.82 = 48,819.82 : x
  2. Step 2: Convert to fraction form
    89,103.54/122,962.82 = 48,819.82/x
  3. Step 3: Cross multiply
    89,103.54x = 122,962.82 × 48,819.82
  4. Step 4: Simplify right side
    89,103.54x = 6,003,022,739.09
  5. Step 5: Solve for x
    x = 6,003,022,739.09/89,103.54
  6. Step 6: Final answer
    x = 67,371.32

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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.