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Finding the Fourth Proportional to 306,540.66, 459,813.56 and 106,860.67

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Solution

The fourth proportional to 306,540.66, 459,813.56 and 106,860.67 is: 160,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,540.66 : 459,813.56 = 106,860.67 : x
  2. Step 2: Convert to fraction form
    306,540.66/459,813.56 = 106,860.67/x
  3. Step 3: Cross multiply
    306,540.66x = 459,813.56 × 106,860.67
  4. Step 4: Simplify right side
    306,540.66x = 49,135,985,096.69
  5. Step 5: Solve for x
    x = 49,135,985,096.69/306,540.66
  6. Step 6: Final answer
    x = 160,291.90

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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.