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Finding the Fourth Proportional to 325,608.27, 488,550.92 and 126,068.82

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Solution

The fourth proportional to 325,608.27, 488,550.92 and 126,068.82 is: 189,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,608.27 : 488,550.92 = 126,068.82 : x
  2. Step 2: Convert to fraction form
    325,608.27/488,550.92 = 126,068.82/x
  3. Step 3: Cross multiply
    325,608.27x = 488,550.92 × 126,068.82
  4. Step 4: Simplify right side
    325,608.27x = 61,591,037,994.31
  5. Step 5: Solve for x
    x = 61,591,037,994.31/325,608.27
  6. Step 6: Final answer
    x = 189,156.86

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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.