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Finding the Fourth Proportional to 104,856.88, 157,310.25 and 33,786.24

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Solution

The fourth proportional to 104,856.88, 157,310.25 and 33,786.24 is: 50,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,856.88 : 157,310.25 = 33,786.24 : x
  2. Step 2: Convert to fraction form
    104,856.88/157,310.25 = 33,786.24/x
  3. Step 3: Cross multiply
    104,856.88x = 157,310.25 × 33,786.24
  4. Step 4: Simplify right side
    104,856.88x = 5,314,921,074.41
  5. Step 5: Solve for x
    x = 5,314,921,074.41/104,856.88
  6. Step 6: Final answer
    x = 50,687.39

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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.