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Finding the Fourth Proportional to 89,174.66, 123,062.03 and 50,939.27

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Solution

The fourth proportional to 89,174.66, 123,062.03 and 50,939.27 is: 70,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,174.66 : 123,062.03 = 50,939.27 : x
  2. Step 2: Convert to fraction form
    89,174.66/123,062.03 = 50,939.27/x
  3. Step 3: Cross multiply
    89,174.66x = 123,062.03 × 50,939.27
  4. Step 4: Simplify right side
    89,174.66x = 6,268,689,102.91
  5. Step 5: Solve for x
    x = 6,268,689,102.91/89,174.66
  6. Step 6: Final answer
    x = 70,296.76

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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.