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Finding the Fourth Proportional to 254,122.52, 350,689.18 and 140,945.27

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Solution

The fourth proportional to 254,122.52, 350,689.18 and 140,945.27 is: 194,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,122.52 : 350,689.18 = 140,945.27 : x
  2. Step 2: Convert to fraction form
    254,122.52/350,689.18 = 140,945.27/x
  3. Step 3: Cross multiply
    254,122.52x = 350,689.18 × 140,945.27
  4. Step 4: Simplify right side
    254,122.52x = 49,427,979,319.64
  5. Step 5: Solve for x
    x = 49,427,979,319.64/254,122.52
  6. Step 6: Final answer
    x = 194,504.53

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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.