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Finding the Fourth Proportional to 129,763.77, 194,755.02 and 50,933.34

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Solution

The fourth proportional to 129,763.77, 194,755.02 and 50,933.34 is: 76,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,763.77 : 194,755.02 = 50,933.34 : x
  2. Step 2: Convert to fraction form
    129,763.77/194,755.02 = 50,933.34/x
  3. Step 3: Cross multiply
    129,763.77x = 194,755.02 × 50,933.34
  4. Step 4: Simplify right side
    129,763.77x = 9,919,523,650.37
  5. Step 5: Solve for x
    x = 9,919,523,650.37/129,763.77
  6. Step 6: Final answer
    x = 76,442.94

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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.