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Finding the Fourth Proportional to 88,687.98, 122,379.39 and 50,974.38

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Solution

The fourth proportional to 88,687.98, 122,379.39 and 50,974.38 is: 70,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,687.98 : 122,379.39 = 50,974.38 : x
  2. Step 2: Convert to fraction form
    88,687.98/122,379.39 = 50,974.38/x
  3. Step 3: Cross multiply
    88,687.98x = 122,379.39 × 50,974.38
  4. Step 4: Simplify right side
    88,687.98x = 6,238,213,530.03
  5. Step 5: Solve for x
    x = 6,238,213,530.03/88,687.98
  6. Step 6: Final answer
    x = 70,338.88

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1.5x scale

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.