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Finding the Fourth Proportional to 568,108.89, 852,016.59 and 168,659.28

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Solution

The fourth proportional to 568,108.89, 852,016.59 and 168,659.28 is: 252,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,108.89 : 852,016.59 = 168,659.28 : x
  2. Step 2: Convert to fraction form
    568,108.89/852,016.59 = 168,659.28/x
  3. Step 3: Cross multiply
    568,108.89x = 852,016.59 × 168,659.28
  4. Step 4: Simplify right side
    568,108.89x = 143,700,504,617.46
  5. Step 5: Solve for x
    x = 143,700,504,617.46/568,108.89
  6. Step 6: Final answer
    x = 252,945.35

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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.