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Finding the Fourth Proportional to 568,121.76, 852,036.84 and 168,669.86

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Solution

The fourth proportional to 568,121.76, 852,036.84 and 168,669.86 is: 252,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,121.76 : 852,036.84 = 168,669.86 : x
  2. Step 2: Convert to fraction form
    568,121.76/852,036.84 = 168,669.86/x
  3. Step 3: Cross multiply
    568,121.76x = 852,036.84 × 168,669.86
  4. Step 4: Simplify right side
    568,121.76x = 143,712,930,257.46
  5. Step 5: Solve for x
    x = 143,712,930,257.46/568,121.76
  6. Step 6: Final answer
    x = 252,961.50

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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.