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Finding the Fourth Proportional to 271,217.90, 406,732.44 and 111,247.76

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Solution

The fourth proportional to 271,217.90, 406,732.44 and 111,247.76 is: 166,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,217.90 : 406,732.44 = 111,247.76 : x
  2. Step 2: Convert to fraction form
    271,217.90/406,732.44 = 111,247.76/x
  3. Step 3: Cross multiply
    271,217.90x = 406,732.44 × 111,247.76
  4. Step 4: Simplify right side
    271,217.90x = 45,248,072,869.33
  5. Step 5: Solve for x
    x = 45,248,072,869.33/271,217.90
  6. Step 6: Final answer
    x = 166,832.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.