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Finding the Fourth Proportional to 168,454.80, 252,463.05 and 68,498.46

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Solution

The fourth proportional to 168,454.80, 252,463.05 and 68,498.46 is: 102,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,454.80 : 252,463.05 = 68,498.46 : x
  2. Step 2: Convert to fraction form
    168,454.80/252,463.05 = 68,498.46/x
  3. Step 3: Cross multiply
    168,454.80x = 252,463.05 × 68,498.46
  4. Step 4: Simplify right side
    168,454.80x = 17,293,330,131.90
  5. Step 5: Solve for x
    x = 17,293,330,131.90/168,454.80
  6. Step 6: Final answer
    x = 102,658.58

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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.