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Finding the Fourth Proportional to 161,082.62, 222,296.76 and 88,488.57

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Solution

The fourth proportional to 161,082.62, 222,296.76 and 88,488.57 is: 122,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,082.62 : 222,296.76 = 88,488.57 : x
  2. Step 2: Convert to fraction form
    161,082.62/222,296.76 = 88,488.57/x
  3. Step 3: Cross multiply
    161,082.62x = 222,296.76 × 88,488.57
  4. Step 4: Simplify right side
    161,082.62x = 19,670,722,408.03
  5. Step 5: Solve for x
    x = 19,670,722,408.03/161,082.62
  6. Step 6: Final answer
    x = 122,115.74

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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.