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Finding the Fourth Proportional to 129,994.50, 194,967.09 and 63,367.62

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Solution

The fourth proportional to 129,994.50, 194,967.09 and 63,367.62 is: 95,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,994.50 : 194,967.09 = 63,367.62 : x
  2. Step 2: Convert to fraction form
    129,994.50/194,967.09 = 63,367.62/x
  3. Step 3: Cross multiply
    129,994.50x = 194,967.09 × 63,367.62
  4. Step 4: Simplify right side
    129,994.50x = 12,354,600,471.63
  5. Step 5: Solve for x
    x = 12,354,600,471.63/129,994.50
  6. Step 6: Final answer
    x = 95,039.41

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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.