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Finding the Fourth Proportional to 206,022.29, 308,985.03 and 56,226.96

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Solution

The fourth proportional to 206,022.29, 308,985.03 and 56,226.96 is: 84,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,022.29 : 308,985.03 = 56,226.96 : x
  2. Step 2: Convert to fraction form
    206,022.29/308,985.03 = 56,226.96/x
  3. Step 3: Cross multiply
    206,022.29x = 308,985.03 × 56,226.96
  4. Step 4: Simplify right side
    206,022.29x = 17,373,288,922.41
  5. Step 5: Solve for x
    x = 17,373,288,922.41/206,022.29
  6. Step 6: Final answer
    x = 84,327.23

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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.