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Finding the Fourth Proportional to 129,723.80, 194,501.84 and 50,846.00

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Solution

The fourth proportional to 129,723.80, 194,501.84 and 50,846.00 is: 76,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,723.80 : 194,501.84 = 50,846.00 : x
  2. Step 2: Convert to fraction form
    129,723.80/194,501.84 = 50,846.00/x
  3. Step 3: Cross multiply
    129,723.80x = 194,501.84 × 50,846.00
  4. Step 4: Simplify right side
    129,723.80x = 9,889,639,329.90
  5. Step 5: Solve for x
    x = 9,889,639,329.90/129,723.80
  6. Step 6: Final answer
    x = 76,236.12

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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.