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Finding the Fourth Proportional to 168,679.44, 252,894.16 and 102,103.82

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Solution

The fourth proportional to 168,679.44, 252,894.16 and 102,103.82 is: 153,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,679.44 : 252,894.16 = 102,103.82 : x
  2. Step 2: Convert to fraction form
    168,679.44/252,894.16 = 102,103.82/x
  3. Step 3: Cross multiply
    168,679.44x = 252,894.16 × 102,103.82
  4. Step 4: Simplify right side
    168,679.44x = 25,821,459,035.52
  5. Step 5: Solve for x
    x = 25,821,459,035.52/168,679.44
  6. Step 6: Final answer
    x = 153,080.06

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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.