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Finding the Fourth Proportional to 263,655, 363,863.34 and 163,072.44

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Solution

The fourth proportional to 263,655, 363,863.34 and 163,072.44 is: 225,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,655 : 363,863.34 = 163,072.44 : x
  2. Step 2: Convert to fraction form
    263,655/363,863.34 = 163,072.44/x
  3. Step 3: Cross multiply
    263,655x = 363,863.34 × 163,072.44
  4. Step 4: Simplify right side
    263,655x = 59,336,082,680.35
  5. Step 5: Solve for x
    x = 59,336,082,680.35/263,655
  6. Step 6: Final answer
    x = 225,051.99

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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.