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Finding the Fourth Proportional to 68,888.76, 103,236.90 and 37,230.57

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Solution

The fourth proportional to 68,888.76, 103,236.90 and 37,230.57 is: 55,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,888.76 : 103,236.90 = 37,230.57 : x
  2. Step 2: Convert to fraction form
    68,888.76/103,236.90 = 37,230.57/x
  3. Step 3: Cross multiply
    68,888.76x = 103,236.90 × 37,230.57
  4. Step 4: Simplify right side
    68,888.76x = 3,843,568,632.03
  5. Step 5: Solve for x
    x = 3,843,568,632.03/68,888.76
  6. Step 6: Final answer
    x = 55,793.84

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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.