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Finding the Fourth Proportional to 129,843.85, 194,648.22 and 50,936.89

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Solution

The fourth proportional to 129,843.85, 194,648.22 and 50,936.89 is: 76,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,843.85 : 194,648.22 = 50,936.89 : x
  2. Step 2: Convert to fraction form
    129,843.85/194,648.22 = 50,936.89/x
  3. Step 3: Cross multiply
    129,843.85x = 194,648.22 × 50,936.89
  4. Step 4: Simplify right side
    129,843.85x = 9,914,774,970.84
  5. Step 5: Solve for x
    x = 9,914,774,970.84/129,843.85
  6. Step 6: Final answer
    x = 76,359.22

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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.