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Finding the Fourth Proportional to 162,868.72, 244,296.68 and 68,074.42

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Solution

The fourth proportional to 162,868.72, 244,296.68 and 68,074.42 is: 102,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,868.72 : 244,296.68 = 68,074.42 : x
  2. Step 2: Convert to fraction form
    162,868.72/244,296.68 = 68,074.42/x
  3. Step 3: Cross multiply
    162,868.72x = 244,296.68 × 68,074.42
  4. Step 4: Simplify right side
    162,868.72x = 16,630,353,577.44
  5. Step 5: Solve for x
    x = 16,630,353,577.44/162,868.72
  6. Step 6: Final answer
    x = 102,108.95

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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.