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Finding the Fourth Proportional to 271,851.67, 407,777.51 and 84,879.19

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Solution

The fourth proportional to 271,851.67, 407,777.51 and 84,879.19 is: 127,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,851.67 : 407,777.51 = 84,879.19 : x
  2. Step 2: Convert to fraction form
    271,851.67/407,777.51 = 84,879.19/x
  3. Step 3: Cross multiply
    271,851.67x = 407,777.51 × 84,879.19
  4. Step 4: Simplify right side
    271,851.67x = 34,611,824,324.62
  5. Step 5: Solve for x
    x = 34,611,824,324.62/271,851.67
  6. Step 6: Final answer
    x = 127,318.79

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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.