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Finding the Fourth Proportional to 89,170.22, 123,062.67 and 48,891.67

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Solution

The fourth proportional to 89,170.22, 123,062.67 and 48,891.67 is: 67,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,170.22 : 123,062.67 = 48,891.67 : x
  2. Step 2: Convert to fraction form
    89,170.22/123,062.67 = 48,891.67/x
  3. Step 3: Cross multiply
    89,170.22x = 123,062.67 × 48,891.67
  4. Step 4: Simplify right side
    89,170.22x = 6,016,739,143.30
  5. Step 5: Solve for x
    x = 6,016,739,143.30/89,170.22
  6. Step 6: Final answer
    x = 67,474.76

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Why These Related Problems?

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