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Finding the Fourth Proportional to 568,120.64, 852,035.15 and 168,668.73

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Solution

The fourth proportional to 568,120.64, 852,035.15 and 168,668.73 is: 252,959.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,120.64 : 852,035.15 = 168,668.73 : x
  2. Step 2: Convert to fraction form
    568,120.64/852,035.15 = 168,668.73/x
  3. Step 3: Cross multiply
    568,120.64x = 852,035.15 × 168,668.73
  4. Step 4: Simplify right side
    568,120.64x = 143,711,687,087.53
  5. Step 5: Solve for x
    x = 143,711,687,087.53/568,120.64
  6. Step 6: Final answer
    x = 252,959.81

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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.