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Finding the Fourth Proportional to 88,676.58, 122,375.43 and 69,579.24

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Solution

The fourth proportional to 88,676.58, 122,375.43 and 69,579.24 is: 96,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.58 : 122,375.43 = 69,579.24 : x
  2. Step 2: Convert to fraction form
    88,676.58/122,375.43 = 69,579.24/x
  3. Step 3: Cross multiply
    88,676.58x = 122,375.43 × 69,579.24
  4. Step 4: Simplify right side
    88,676.58x = 8,514,789,414.07
  5. Step 5: Solve for x
    x = 8,514,789,414.07/88,676.58
  6. Step 6: Final answer
    x = 96,020.72

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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.