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Finding the Fourth Proportional to 111,348.80, 166,828.80 and 95,796.80

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Solution

The fourth proportional to 111,348.80, 166,828.80 and 95,796.80 is: 143,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,348.80 : 166,828.80 = 95,796.80 : x
  2. Step 2: Convert to fraction form
    111,348.80/166,828.80 = 95,796.80/x
  3. Step 3: Cross multiply
    111,348.80x = 166,828.80 × 95,796.80
  4. Step 4: Simplify right side
    111,348.80x = 15,981,665,187.84
  5. Step 5: Solve for x
    x = 15,981,665,187.84/111,348.80
  6. Step 6: Final answer
    x = 143,527.95

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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.