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Finding the Fourth Proportional to 236,758.74, 355,190.61 and 68,265.95

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Solution

The fourth proportional to 236,758.74, 355,190.61 and 68,265.95 is: 102,414.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,758.74 : 355,190.61 = 68,265.95 : x
  2. Step 2: Convert to fraction form
    236,758.74/355,190.61 = 68,265.95/x
  3. Step 3: Cross multiply
    236,758.74x = 355,190.61 × 68,265.95
  4. Step 4: Simplify right side
    236,758.74x = 24,247,422,646.78
  5. Step 5: Solve for x
    x = 24,247,422,646.78/236,758.74
  6. Step 6: Final answer
    x = 102,414.06

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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.