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Finding the Fourth Proportional to 168,857.82, 253,104.48 and 109,735.92

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Solution

The fourth proportional to 168,857.82, 253,104.48 and 109,735.92 is: 164,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,857.82 : 253,104.48 = 109,735.92 : x
  2. Step 2: Convert to fraction form
    168,857.82/253,104.48 = 109,735.92/x
  3. Step 3: Cross multiply
    168,857.82x = 253,104.48 × 109,735.92
  4. Step 4: Simplify right side
    168,857.82x = 27,774,652,968.92
  5. Step 5: Solve for x
    x = 27,774,652,968.92/168,857.82
  6. Step 6: Final answer
    x = 164,485.44

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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.