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Finding the Fourth Proportional to 271,201.80, 406,729.80 and 113,397.60

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Solution

The fourth proportional to 271,201.80, 406,729.80 and 113,397.60 is: 170,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,201.80 : 406,729.80 = 113,397.60 : x
  2. Step 2: Convert to fraction form
    271,201.80/406,729.80 = 113,397.60/x
  3. Step 3: Cross multiply
    271,201.80x = 406,729.80 × 113,397.60
  4. Step 4: Simplify right side
    271,201.80x = 46,122,183,168.48
  5. Step 5: Solve for x
    x = 46,122,183,168.48/271,201.80
  6. Step 6: Final answer
    x = 170,065.92

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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.