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Finding the Fourth Proportional to 273,181.83, 409,630.58 and 104,651.61

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Solution

The fourth proportional to 273,181.83, 409,630.58 and 104,651.61 is: 156,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,181.83 : 409,630.58 = 104,651.61 : x
  2. Step 2: Convert to fraction form
    273,181.83/409,630.58 = 104,651.61/x
  3. Step 3: Cross multiply
    273,181.83x = 409,630.58 × 104,651.61
  4. Step 4: Simplify right side
    273,181.83x = 42,868,499,178.98
  5. Step 5: Solve for x
    x = 42,868,499,178.98/273,181.83
  6. Step 6: Final answer
    x = 156,922.95

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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.