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Finding the Fourth Proportional to 179,729.52, 269,595.36 and 79,866.24

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Solution

The fourth proportional to 179,729.52, 269,595.36 and 79,866.24 is: 119,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,729.52 : 269,595.36 = 79,866.24 : x
  2. Step 2: Convert to fraction form
    179,729.52/269,595.36 = 79,866.24/x
  3. Step 3: Cross multiply
    179,729.52x = 269,595.36 × 79,866.24
  4. Step 4: Simplify right side
    179,729.52x = 21,531,567,724.65
  5. Step 5: Solve for x
    x = 21,531,567,724.65/179,729.52
  6. Step 6: Final answer
    x = 119,799.84

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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.