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Finding the Fourth Proportional to 329,354.20, 494,031.48 and 92,696.88

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Solution

The fourth proportional to 329,354.20, 494,031.48 and 92,696.88 is: 139,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,354.20 : 494,031.48 = 92,696.88 : x
  2. Step 2: Convert to fraction form
    329,354.20/494,031.48 = 92,696.88/x
  3. Step 3: Cross multiply
    329,354.20x = 494,031.48 × 92,696.88
  4. Step 4: Simplify right side
    329,354.20x = 45,795,176,354.30
  5. Step 5: Solve for x
    x = 45,795,176,354.30/329,354.20
  6. Step 6: Final answer
    x = 139,045.37

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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.