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Finding the Fourth Proportional to 271,247.49, 406,950.66 and 121,454.39

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Solution

The fourth proportional to 271,247.49, 406,950.66 and 121,454.39 is: 182,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,247.49 : 406,950.66 = 121,454.39 : x
  2. Step 2: Convert to fraction form
    271,247.49/406,950.66 = 121,454.39/x
  3. Step 3: Cross multiply
    271,247.49x = 406,950.66 × 121,454.39
  4. Step 4: Simplify right side
    271,247.49x = 49,425,945,187.77
  5. Step 5: Solve for x
    x = 49,425,945,187.77/271,247.49
  6. Step 6: Final answer
    x = 182,217.15

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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.