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Finding the Fourth Proportional to 271,246.74, 406,949.54 and 121,453.65

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Solution

The fourth proportional to 271,246.74, 406,949.54 and 121,453.65 is: 182,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,246.74 : 406,949.54 = 121,453.65 : x
  2. Step 2: Convert to fraction form
    271,246.74/406,949.54 = 121,453.65/x
  3. Step 3: Cross multiply
    271,246.74x = 406,949.54 × 121,453.65
  4. Step 4: Simplify right side
    271,246.74x = 49,425,506,391.55
  5. Step 5: Solve for x
    x = 49,425,506,391.55/271,246.74
  6. Step 6: Final answer
    x = 182,216.04

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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.