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Finding the Fourth Proportional to 254,414.52, 351,098.37 and 139,704.48

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Solution

The fourth proportional to 254,414.52, 351,098.37 and 139,704.48 is: 192,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,414.52 : 351,098.37 = 139,704.48 : x
  2. Step 2: Convert to fraction form
    254,414.52/351,098.37 = 139,704.48/x
  3. Step 3: Cross multiply
    254,414.52x = 351,098.37 × 139,704.48
  4. Step 4: Simplify right side
    254,414.52x = 49,050,015,209.70
  5. Step 5: Solve for x
    x = 49,050,015,209.70/254,414.52
  6. Step 6: Final answer
    x = 192,795.66

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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.