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Finding the Fourth Proportional to 168,059.35, 251,893.98 and 68,095.21

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Solution

The fourth proportional to 168,059.35, 251,893.98 and 68,095.21 is: 102,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,059.35 : 251,893.98 = 68,095.21 : x
  2. Step 2: Convert to fraction form
    168,059.35/251,893.98 = 68,095.21/x
  3. Step 3: Cross multiply
    168,059.35x = 251,893.98 × 68,095.21
  4. Step 4: Simplify right side
    168,059.35x = 17,152,773,465.84
  5. Step 5: Solve for x
    x = 17,152,773,465.84/168,059.35
  6. Step 6: Final answer
    x = 102,063.79

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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.