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Finding the Fourth Proportional to 79,770.88, 119,543.50 and 44,247.84

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Solution

The fourth proportional to 79,770.88, 119,543.50 and 44,247.84 is: 66,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,770.88 : 119,543.50 = 44,247.84 : x
  2. Step 2: Convert to fraction form
    79,770.88/119,543.50 = 44,247.84/x
  3. Step 3: Cross multiply
    79,770.88x = 119,543.50 × 44,247.84
  4. Step 4: Simplify right side
    79,770.88x = 5,289,541,661.04
  5. Step 5: Solve for x
    x = 5,289,541,661.04/79,770.88
  6. Step 6: Final answer
    x = 66,309.18

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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.