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Finding the Fourth Proportional to 91,806.70, 137,694.18 and 24,339.17

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Solution

The fourth proportional to 91,806.70, 137,694.18 and 24,339.17 is: 36,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,806.70 : 137,694.18 = 24,339.17 : x
  2. Step 2: Convert to fraction form
    91,806.70/137,694.18 = 24,339.17/x
  3. Step 3: Cross multiply
    91,806.70x = 137,694.18 × 24,339.17
  4. Step 4: Simplify right side
    91,806.70x = 3,351,361,579.10
  5. Step 5: Solve for x
    x = 3,351,361,579.10/91,806.70
  6. Step 6: Final answer
    x = 36,504.54

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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.