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Finding the Fourth Proportional to 163,310.61, 244,965.82 and 51,000.44

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Solution

The fourth proportional to 163,310.61, 244,965.82 and 51,000.44 is: 76,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,310.61 : 244,965.82 = 51,000.44 : x
  2. Step 2: Convert to fraction form
    163,310.61/244,965.82 = 51,000.44/x
  3. Step 3: Cross multiply
    163,310.61x = 244,965.82 × 51,000.44
  4. Step 4: Simplify right side
    163,310.61x = 12,493,364,604.96
  5. Step 5: Solve for x
    x = 12,493,364,604.96/163,310.61
  6. Step 6: Final answer
    x = 76,500.63

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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.