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Finding the Fourth Proportional to 254,481.51, 351,200.31 and 141,305.07

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Solution

The fourth proportional to 254,481.51, 351,200.31 and 141,305.07 is: 195,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,481.51 : 351,200.31 = 141,305.07 : x
  2. Step 2: Convert to fraction form
    254,481.51/351,200.31 = 141,305.07/x
  3. Step 3: Cross multiply
    254,481.51x = 351,200.31 × 141,305.07
  4. Step 4: Simplify right side
    254,481.51x = 49,626,384,388.57
  5. Step 5: Solve for x
    x = 49,626,384,388.57/254,481.51
  6. Step 6: Final answer
    x = 195,009.78

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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.