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Finding the Fourth Proportional to 179,391.62, 268,934.62 and 79,497.35

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Solution

The fourth proportional to 179,391.62, 268,934.62 and 79,497.35 is: 119,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,391.62 : 268,934.62 = 79,497.35 : x
  2. Step 2: Convert to fraction form
    179,391.62/268,934.62 = 79,497.35/x
  3. Step 3: Cross multiply
    179,391.62x = 268,934.62 × 79,497.35
  4. Step 4: Simplify right side
    179,391.62x = 21,379,589,613.26
  5. Step 5: Solve for x
    x = 21,379,589,613.26/179,391.62
  6. Step 6: Final answer
    x = 119,178.31

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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.