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Finding the Fourth Proportional to 329,106.96, 493,734.96 and 104,481

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Solution

The fourth proportional to 329,106.96, 493,734.96 and 104,481 is: 156,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,106.96 : 493,734.96 = 104,481 : x
  2. Step 2: Convert to fraction form
    329,106.96/493,734.96 = 104,481/x
  3. Step 3: Cross multiply
    329,106.96x = 493,734.96 × 104,481
  4. Step 4: Simplify right side
    329,106.96x = 51,585,922,355.76
  5. Step 5: Solve for x
    x = 51,585,922,355.76/329,106.96
  6. Step 6: Final answer
    x = 156,745.16

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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.