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Finding the Fourth Proportional to 63,183.80, 87,199.11 and 34,894.95

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Solution

The fourth proportional to 63,183.80, 87,199.11 and 34,894.95 is: 48,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,183.80 : 87,199.11 = 34,894.95 : x
  2. Step 2: Convert to fraction form
    63,183.80/87,199.11 = 34,894.95/x
  3. Step 3: Cross multiply
    63,183.80x = 87,199.11 × 34,894.95
  4. Step 4: Simplify right side
    63,183.80x = 3,042,808,648.85
  5. Step 5: Solve for x
    x = 3,042,808,648.85/63,183.80
  6. Step 6: Final answer
    x = 48,158.05

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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.