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Finding the Fourth Proportional to 329,147.10, 493,760.25 and 115,870.73

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Solution

The fourth proportional to 329,147.10, 493,760.25 and 115,870.73 is: 173,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,147.10 : 493,760.25 = 115,870.73 : x
  2. Step 2: Convert to fraction form
    329,147.10/493,760.25 = 115,870.73/x
  3. Step 3: Cross multiply
    329,147.10x = 493,760.25 × 115,870.73
  4. Step 4: Simplify right side
    329,147.10x = 57,212,358,143.68
  5. Step 5: Solve for x
    x = 57,212,358,143.68/329,147.10
  6. Step 6: Final answer
    x = 173,820.03

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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.