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Finding the Fourth Proportional to 179,718.52, 269,578.86 and 79,855.24

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Solution

The fourth proportional to 179,718.52, 269,578.86 and 79,855.24 is: 119,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,718.52 : 269,578.86 = 79,855.24 : x
  2. Step 2: Convert to fraction form
    179,718.52/269,578.86 = 79,855.24/x
  3. Step 3: Cross multiply
    179,718.52x = 269,578.86 × 79,855.24
  4. Step 4: Simplify right side
    179,718.52x = 21,527,284,564.23
  5. Step 5: Solve for x
    x = 21,527,284,564.23/179,718.52
  6. Step 6: Final answer
    x = 119,783.34

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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.