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Finding the Fourth Proportional to 129,843.96, 194,767.38 and 45,600.60

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Solution

The fourth proportional to 129,843.96, 194,767.38 and 45,600.60 is: 68,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,843.96 : 194,767.38 = 45,600.60 : x
  2. Step 2: Convert to fraction form
    129,843.96/194,767.38 = 45,600.60/x
  3. Step 3: Cross multiply
    129,843.96x = 194,767.38 × 45,600.60
  4. Step 4: Simplify right side
    129,843.96x = 8,881,509,388.43
  5. Step 5: Solve for x
    x = 8,881,509,388.43/129,843.96
  6. Step 6: Final answer
    x = 68,401.41

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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.