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Finding the Fourth Proportional to 179,328.65, 268,992.97 and 54,668.57

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Solution

The fourth proportional to 179,328.65, 268,992.97 and 54,668.57 is: 82,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,328.65 : 268,992.97 = 54,668.57 : x
  2. Step 2: Convert to fraction form
    179,328.65/268,992.97 = 54,668.57/x
  3. Step 3: Cross multiply
    179,328.65x = 268,992.97 × 54,668.57
  4. Step 4: Simplify right side
    179,328.65x = 14,705,459,528.32
  5. Step 5: Solve for x
    x = 14,705,459,528.32/179,328.65
  6. Step 6: Final answer
    x = 82,002.85

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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.