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Finding the Fourth Proportional to 245,627.26, 368,440.86 and 68,134.27

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Solution

The fourth proportional to 245,627.26, 368,440.86 and 68,134.27 is: 102,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,627.26 : 368,440.86 = 68,134.27 : x
  2. Step 2: Convert to fraction form
    245,627.26/368,440.86 = 68,134.27/x
  3. Step 3: Cross multiply
    245,627.26x = 368,440.86 × 68,134.27
  4. Step 4: Simplify right side
    245,627.26x = 25,103,449,034.27
  5. Step 5: Solve for x
    x = 25,103,449,034.27/245,627.26
  6. Step 6: Final answer
    x = 102,201.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.