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Finding the Fourth Proportional to 168,857.81, 253,286.66 and 63,652.17

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Solution

The fourth proportional to 168,857.81, 253,286.66 and 63,652.17 is: 95,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,857.81 : 253,286.66 = 63,652.17 : x
  2. Step 2: Convert to fraction form
    168,857.81/253,286.66 = 63,652.17/x
  3. Step 3: Cross multiply
    168,857.81x = 253,286.66 × 63,652.17
  4. Step 4: Simplify right side
    168,857.81x = 16,122,245,342.14
  5. Step 5: Solve for x
    x = 16,122,245,342.14/168,857.81
  6. Step 6: Final answer
    x = 95,478.24

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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.