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Finding the Fourth Proportional to 68,441.19, 93,762.84 and 65,882.67

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Solution

The fourth proportional to 68,441.19, 93,762.84 and 65,882.67 is: 90,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,441.19 : 93,762.84 = 65,882.67 : x
  2. Step 2: Convert to fraction form
    68,441.19/93,762.84 = 65,882.67/x
  3. Step 3: Cross multiply
    68,441.19x = 93,762.84 × 65,882.67
  4. Step 4: Simplify right side
    68,441.19x = 6,177,346,245.98
  5. Step 5: Solve for x
    x = 6,177,346,245.98/68,441.19
  6. Step 6: Final answer
    x = 90,257.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.