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Finding the Fourth Proportional to 162,894.70, 244,171.54 and 68,179.15

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Solution

The fourth proportional to 162,894.70, 244,171.54 and 68,179.15 is: 102,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,894.70 : 244,171.54 = 68,179.15 : x
  2. Step 2: Convert to fraction form
    162,894.70/244,171.54 = 68,179.15/x
  3. Step 3: Cross multiply
    162,894.70x = 244,171.54 × 68,179.15
  4. Step 4: Simplify right side
    162,894.70x = 16,647,408,051.39
  5. Step 5: Solve for x
    x = 16,647,408,051.39/162,894.70
  6. Step 6: Final answer
    x = 102,197.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.