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Finding the Fourth Proportional to 71,199.54, 106,806.60 and 26,863.58

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Solution

The fourth proportional to 71,199.54, 106,806.60 and 26,863.58 is: 40,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,199.54 : 106,806.60 = 26,863.58 : x
  2. Step 2: Convert to fraction form
    71,199.54/106,806.60 = 26,863.58/x
  3. Step 3: Cross multiply
    71,199.54x = 106,806.60 × 26,863.58
  4. Step 4: Simplify right side
    71,199.54x = 2,869,207,910.64
  5. Step 5: Solve for x
    x = 2,869,207,910.64/71,199.54
  6. Step 6: Final answer
    x = 40,298.12

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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.