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Finding the Fourth Proportional to 236,091, 325,819.26 and 135,495.48

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Solution

The fourth proportional to 236,091, 325,819.26 and 135,495.48 is: 186,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,091 : 325,819.26 = 135,495.48 : x
  2. Step 2: Convert to fraction form
    236,091/325,819.26 = 135,495.48/x
  3. Step 3: Cross multiply
    236,091x = 325,819.26 × 135,495.48
  4. Step 4: Simplify right side
    236,091x = 44,147,037,026.94
  5. Step 5: Solve for x
    x = 44,147,037,026.94/236,091
  6. Step 6: Final answer
    x = 186,991.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.