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Finding the Fourth Proportional to 117,654.44, 162,364.14 and 63,939.44

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Solution

The fourth proportional to 117,654.44, 162,364.14 and 63,939.44 is: 88,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,654.44 : 162,364.14 = 63,939.44 : x
  2. Step 2: Convert to fraction form
    117,654.44/162,364.14 = 63,939.44/x
  3. Step 3: Cross multiply
    117,654.44x = 162,364.14 × 63,939.44
  4. Step 4: Simplify right side
    117,654.44x = 10,381,471,375.86
  5. Step 5: Solve for x
    x = 10,381,471,375.86/117,654.44
  6. Step 6: Final answer
    x = 88,236.97

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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.