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Finding the Fourth Proportional to 237,079.78, 355,245.12 and 192,488.67

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Solution

The fourth proportional to 237,079.78, 355,245.12 and 192,488.67 is: 288,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,079.78 : 355,245.12 = 192,488.67 : x
  2. Step 2: Convert to fraction form
    237,079.78/355,245.12 = 192,488.67/x
  3. Step 3: Cross multiply
    237,079.78x = 355,245.12 × 192,488.67
  4. Step 4: Simplify right side
    237,079.78x = 68,380,660,672.79
  5. Step 5: Solve for x
    x = 68,380,660,672.79/237,079.78
  6. Step 6: Final answer
    x = 288,428.90

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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.