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Finding the Fourth Proportional to 84,103.86, 126,180.14 and 24,940.96

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Solution

The fourth proportional to 84,103.86, 126,180.14 and 24,940.96 is: 37,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,103.86 : 126,180.14 = 24,940.96 : x
  2. Step 2: Convert to fraction form
    84,103.86/126,180.14 = 24,940.96/x
  3. Step 3: Cross multiply
    84,103.86x = 126,180.14 × 24,940.96
  4. Step 4: Simplify right side
    84,103.86x = 3,147,053,824.53
  5. Step 5: Solve for x
    x = 3,147,053,824.53/84,103.86
  6. Step 6: Final answer
    x = 37,418.66

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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.