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Finding the Fourth Proportional to 325,361.54, 488,108.23 and 115,147.10

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Solution

The fourth proportional to 325,361.54, 488,108.23 and 115,147.10 is: 172,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,361.54 : 488,108.23 = 115,147.10 : x
  2. Step 2: Convert to fraction form
    325,361.54/488,108.23 = 115,147.10/x
  3. Step 3: Cross multiply
    325,361.54x = 488,108.23 × 115,147.10
  4. Step 4: Simplify right side
    325,361.54x = 56,204,248,103.04
  5. Step 5: Solve for x
    x = 56,204,248,103.04/325,361.54
  6. Step 6: Final answer
    x = 172,743.98

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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.