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Finding the Fourth Proportional to 179,508.84, 269,287.88 and 79,666.84

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Solution

The fourth proportional to 179,508.84, 269,287.88 and 79,666.84 is: 119,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,508.84 : 269,287.88 = 79,666.84 : x
  2. Step 2: Convert to fraction form
    179,508.84/269,287.88 = 79,666.84/x
  3. Step 3: Cross multiply
    179,508.84x = 269,287.88 × 79,666.84
  4. Step 4: Simplify right side
    179,508.84x = 21,453,314,449.90
  5. Step 5: Solve for x
    x = 21,453,314,449.90/179,508.84
  6. Step 6: Final answer
    x = 119,511.19

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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.