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Finding the Fourth Proportional to 129,711.86, 194,583.72 and 44,336.84

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Solution

The fourth proportional to 129,711.86, 194,583.72 and 44,336.84 is: 66,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,711.86 : 194,583.72 = 44,336.84 : x
  2. Step 2: Convert to fraction form
    129,711.86/194,583.72 = 44,336.84/x
  3. Step 3: Cross multiply
    129,711.86x = 194,583.72 × 44,336.84
  4. Step 4: Simplify right side
    129,711.86x = 8,627,227,260.24
  5. Step 5: Solve for x
    x = 8,627,227,260.24/129,711.86
  6. Step 6: Final answer
    x = 66,510.71

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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.