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Finding the Fourth Proportional to 67,863.95, 101,763.52 and 39,792.56

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Solution

The fourth proportional to 67,863.95, 101,763.52 and 39,792.56 is: 59,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,863.95 : 101,763.52 = 39,792.56 : x
  2. Step 2: Convert to fraction form
    67,863.95/101,763.52 = 39,792.56/x
  3. Step 3: Cross multiply
    67,863.95x = 101,763.52 × 39,792.56
  4. Step 4: Simplify right side
    67,863.95x = 4,049,430,367.11
  5. Step 5: Solve for x
    x = 4,049,430,367.11/67,863.95
  6. Step 6: Final answer
    x = 59,669.83

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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.