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Finding the Fourth Proportional to 270,658.20, 405,668.92 and 110,635.44

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Solution

The fourth proportional to 270,658.20, 405,668.92 and 110,635.44 is: 165,823.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,658.20 : 405,668.92 = 110,635.44 : x
  2. Step 2: Convert to fraction form
    270,658.20/405,668.92 = 110,635.44/x
  3. Step 3: Cross multiply
    270,658.20x = 405,668.92 × 110,635.44
  4. Step 4: Simplify right side
    270,658.20x = 44,881,359,458.52
  5. Step 5: Solve for x
    x = 44,881,359,458.52/270,658.20
  6. Step 6: Final answer
    x = 165,823.02

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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.