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Finding the Fourth Proportional to 568,109.89, 852,018.09 and 168,660.28

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Solution

The fourth proportional to 568,109.89, 852,018.09 and 168,660.28 is: 252,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,109.89 : 852,018.09 = 168,660.28 : x
  2. Step 2: Convert to fraction form
    568,109.89/852,018.09 = 168,660.28/x
  3. Step 3: Cross multiply
    568,109.89x = 852,018.09 × 168,660.28
  4. Step 4: Simplify right side
    568,109.89x = 143,701,609,624.47
  5. Step 5: Solve for x
    x = 143,701,609,624.47/568,109.89
  6. Step 6: Final answer
    x = 252,946.85

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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.