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Finding the Fourth Proportional to 169,197.35, 253,786.68 and 56,865.97

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Solution

The fourth proportional to 169,197.35, 253,786.68 and 56,865.97 is: 85,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,197.35 : 253,786.68 = 56,865.97 : x
  2. Step 2: Convert to fraction form
    169,197.35/253,786.68 = 56,865.97/x
  3. Step 3: Cross multiply
    169,197.35x = 253,786.68 × 56,865.97
  4. Step 4: Simplify right side
    169,197.35x = 14,431,825,096.81
  5. Step 5: Solve for x
    x = 14,431,825,096.81/169,197.35
  6. Step 6: Final answer
    x = 85,295.81

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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.