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Finding the Fourth Proportional to 271,172.55, 406,700.43 and 111,091.52

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Solution

The fourth proportional to 271,172.55, 406,700.43 and 111,091.52 is: 166,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,172.55 : 406,700.43 = 111,091.52 : x
  2. Step 2: Convert to fraction form
    271,172.55/406,700.43 = 111,091.52/x
  3. Step 3: Cross multiply
    271,172.55x = 406,700.43 × 111,091.52
  4. Step 4: Simplify right side
    271,172.55x = 45,180,966,919.85
  5. Step 5: Solve for x
    x = 45,180,966,919.85/271,172.55
  6. Step 6: Final answer
    x = 166,613.35

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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.