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Finding the Fourth Proportional to 129,898.60, 194,847.90 and 129,898.60

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Solution

The fourth proportional to 129,898.60, 194,847.90 and 129,898.60 is: 194,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,898.60 : 194,847.90 = 129,898.60 : x
  2. Step 2: Convert to fraction form
    129,898.60/194,847.90 = 129,898.60/x
  3. Step 3: Cross multiply
    129,898.60x = 194,847.90 × 129,898.60
  4. Step 4: Simplify right side
    129,898.60x = 25,310,469,422.94
  5. Step 5: Solve for x
    x = 25,310,469,422.94/129,898.60
  6. Step 6: Final answer
    x = 194,847.90

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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.