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Finding the Fourth Proportional to 119,771.80, 179,727.39 and 44,944.20

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Solution

The fourth proportional to 119,771.80, 179,727.39 and 44,944.20 is: 67,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,771.80 : 179,727.39 = 44,944.20 : x
  2. Step 2: Convert to fraction form
    119,771.80/179,727.39 = 44,944.20/x
  3. Step 3: Cross multiply
    119,771.80x = 179,727.39 × 44,944.20
  4. Step 4: Simplify right side
    119,771.80x = 8,077,703,761.64
  5. Step 5: Solve for x
    x = 8,077,703,761.64/119,771.80
  6. Step 6: Final answer
    x = 67,442.45

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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.