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Finding the Fourth Proportional to 117,676.29, 162,394.26 and 63,961.32

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Solution

The fourth proportional to 117,676.29, 162,394.26 and 63,961.32 is: 88,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,676.29 : 162,394.26 = 63,961.32 : x
  2. Step 2: Convert to fraction form
    117,676.29/162,394.26 = 63,961.32/x
  3. Step 3: Cross multiply
    117,676.29x = 162,394.26 × 63,961.32
  4. Step 4: Simplify right side
    117,676.29x = 10,386,951,230.02
  5. Step 5: Solve for x
    x = 10,386,951,230.02/117,676.29
  6. Step 6: Final answer
    x = 88,267.15

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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.