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Finding the Fourth Proportional to 179,157.68, 268,658.68 and 54,469.52

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Solution

The fourth proportional to 179,157.68, 268,658.68 and 54,469.52 is: 81,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,157.68 : 268,658.68 = 54,469.52 : x
  2. Step 2: Convert to fraction form
    179,157.68/268,658.68 = 54,469.52/x
  3. Step 3: Cross multiply
    179,157.68x = 268,658.68 × 54,469.52
  4. Step 4: Simplify right side
    179,157.68x = 14,633,709,343.43
  5. Step 5: Solve for x
    x = 14,633,709,343.43/179,157.68
  6. Step 6: Final answer
    x = 81,680.61

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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.