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Finding the Fourth Proportional to 179,449.80, 269,174.70 and 146,644.80

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Solution

The fourth proportional to 179,449.80, 269,174.70 and 146,644.80 is: 219,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,449.80 : 269,174.70 = 146,644.80 : x
  2. Step 2: Convert to fraction form
    179,449.80/269,174.70 = 146,644.80/x
  3. Step 3: Cross multiply
    179,449.80x = 269,174.70 × 146,644.80
  4. Step 4: Simplify right side
    179,449.80x = 39,473,070,046.56
  5. Step 5: Solve for x
    x = 39,473,070,046.56/179,449.80
  6. Step 6: Final answer
    x = 219,967.20

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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.