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Finding the Fourth Proportional to 129,998.92, 194,997.46 and 36,504.76

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Solution

The fourth proportional to 129,998.92, 194,997.46 and 36,504.76 is: 54,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,998.92 : 194,997.46 = 36,504.76 : x
  2. Step 2: Convert to fraction form
    129,998.92/194,997.46 = 36,504.76/x
  3. Step 3: Cross multiply
    129,998.92x = 194,997.46 × 36,504.76
  4. Step 4: Simplify right side
    129,998.92x = 7,118,335,477.91
  5. Step 5: Solve for x
    x = 7,118,335,477.91/129,998.92
  6. Step 6: Final answer
    x = 54,756.88

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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.