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Finding the Fourth Proportional to 271,796.04, 407,278.26 and 113,938.38

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Solution

The fourth proportional to 271,796.04, 407,278.26 and 113,938.38 is: 170,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,796.04 : 407,278.26 = 113,938.38 : x
  2. Step 2: Convert to fraction form
    271,796.04/407,278.26 = 113,938.38/x
  3. Step 3: Cross multiply
    271,796.04x = 407,278.26 × 113,938.38
  4. Step 4: Simplify right side
    271,796.04x = 46,404,625,153.62
  5. Step 5: Solve for x
    x = 46,404,625,153.62/271,796.04
  6. Step 6: Final answer
    x = 170,733.26

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1.5x scale

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.