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Finding the Fourth Proportional to 250,134.51, 345,183 and 135,410.58

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Solution

The fourth proportional to 250,134.51, 345,183 and 135,410.58 is: 186,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,134.51 : 345,183 = 135,410.58 : x
  2. Step 2: Convert to fraction form
    250,134.51/345,183 = 135,410.58/x
  3. Step 3: Cross multiply
    250,134.51x = 345,183 × 135,410.58
  4. Step 4: Simplify right side
    250,134.51x = 46,741,430,236.14
  5. Step 5: Solve for x
    x = 46,741,430,236.14/250,134.51
  6. Step 6: Final answer
    x = 186,865.18

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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.