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Finding the Fourth Proportional to 129,558, 194,337 and 36,066.18

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Solution

The fourth proportional to 129,558, 194,337 and 36,066.18 is: 54,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,558 : 194,337 = 36,066.18 : x
  2. Step 2: Convert to fraction form
    129,558/194,337 = 36,066.18/x
  3. Step 3: Cross multiply
    129,558x = 194,337 × 36,066.18
  4. Step 4: Simplify right side
    129,558x = 7,008,993,222.66
  5. Step 5: Solve for x
    x = 7,008,993,222.66/129,558
  6. Step 6: Final answer
    x = 54,099.27

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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.