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Finding the Fourth Proportional to 254,305.56, 350,942.59 and 141,128.31

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Solution

The fourth proportional to 254,305.56, 350,942.59 and 141,128.31 is: 194,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,305.56 : 350,942.59 = 141,128.31 : x
  2. Step 2: Convert to fraction form
    254,305.56/350,942.59 = 141,128.31/x
  3. Step 3: Cross multiply
    254,305.56x = 350,942.59 × 141,128.31
  4. Step 4: Simplify right side
    254,305.56x = 49,527,934,633.72
  5. Step 5: Solve for x
    x = 49,527,934,633.72/254,305.56
  6. Step 6: Final answer
    x = 194,757.58

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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.