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Finding the Fourth Proportional to 254,891.56, 351,747.57 and 140,177.95

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Solution

The fourth proportional to 254,891.56, 351,747.57 and 140,177.95 is: 193,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,891.56 : 351,747.57 = 140,177.95 : x
  2. Step 2: Convert to fraction form
    254,891.56/351,747.57 = 140,177.95/x
  3. Step 3: Cross multiply
    254,891.56x = 351,747.57 × 140,177.95
  4. Step 4: Simplify right side
    254,891.56x = 49,307,253,280.08
  5. Step 5: Solve for x
    x = 49,307,253,280.08/254,891.56
  6. Step 6: Final answer
    x = 193,444.04

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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.