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Finding the Fourth Proportional to 63,211.41, 87,230.07 and 34,916.49

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Solution

The fourth proportional to 63,211.41, 87,230.07 and 34,916.49 is: 48,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,211.41 : 87,230.07 = 34,916.49 : x
  2. Step 2: Convert to fraction form
    63,211.41/87,230.07 = 34,916.49/x
  3. Step 3: Cross multiply
    63,211.41x = 87,230.07 × 34,916.49
  4. Step 4: Simplify right side
    63,211.41x = 3,045,767,866.85
  5. Step 5: Solve for x
    x = 3,045,767,866.85/63,211.41
  6. Step 6: Final answer
    x = 48,183.83

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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.