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Finding the Fourth Proportional to 116,375.26, 160,616.10 and 68,633.86

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Solution

The fourth proportional to 116,375.26, 160,616.10 and 68,633.86 is: 94,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,375.26 : 160,616.10 = 68,633.86 : x
  2. Step 2: Convert to fraction form
    116,375.26/160,616.10 = 68,633.86/x
  3. Step 3: Cross multiply
    116,375.26x = 160,616.10 × 68,633.86
  4. Step 4: Simplify right side
    116,375.26x = 11,023,702,921.15
  5. Step 5: Solve for x
    x = 11,023,702,921.15/116,375.26
  6. Step 6: Final answer
    x = 94,725.48

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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.