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Finding the Fourth Proportional to 119,798.46, 179,713.89 and 40,891.50

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Solution

The fourth proportional to 119,798.46, 179,713.89 and 40,891.50 is: 61,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,798.46 : 179,713.89 = 40,891.50 : x
  2. Step 2: Convert to fraction form
    119,798.46/179,713.89 = 40,891.50/x
  3. Step 3: Cross multiply
    119,798.46x = 179,713.89 × 40,891.50
  4. Step 4: Simplify right side
    119,798.46x = 7,348,770,532.94
  5. Step 5: Solve for x
    x = 7,348,770,532.94/119,798.46
  6. Step 6: Final answer
    x = 61,342.78

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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.