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Finding the Fourth Proportional to 329,118.90, 493,695.43 and 104,496.91

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Solution

The fourth proportional to 329,118.90, 493,695.43 and 104,496.91 is: 156,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,118.90 : 493,695.43 = 104,496.91 : x
  2. Step 2: Convert to fraction form
    329,118.90/493,695.43 = 104,496.91/x
  3. Step 3: Cross multiply
    329,118.90x = 493,695.43 × 104,496.91
  4. Step 4: Simplify right side
    329,118.90x = 51,589,647,103.06
  5. Step 5: Solve for x
    x = 51,589,647,103.06/329,118.90
  6. Step 6: Final answer
    x = 156,750.79

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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.