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Finding the Fourth Proportional to 129,471.66, 194,254.26 and 45,244.26

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Solution

The fourth proportional to 129,471.66, 194,254.26 and 45,244.26 is: 67,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,471.66 : 194,254.26 = 45,244.26 : x
  2. Step 2: Convert to fraction form
    129,471.66/194,254.26 = 45,244.26/x
  3. Step 3: Cross multiply
    129,471.66x = 194,254.26 × 45,244.26
  4. Step 4: Simplify right side
    129,471.66x = 8,788,890,245.55
  5. Step 5: Solve for x
    x = 8,788,890,245.55/129,471.66
  6. Step 6: Final answer
    x = 67,882.73

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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.