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Finding the Fourth Proportional to 68,270.39, 102,405.52 and 23,886.90

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Solution

The fourth proportional to 68,270.39, 102,405.52 and 23,886.90 is: 35,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,270.39 : 102,405.52 = 23,886.90 : x
  2. Step 2: Convert to fraction form
    68,270.39/102,405.52 = 23,886.90/x
  3. Step 3: Cross multiply
    68,270.39x = 102,405.52 × 23,886.90
  4. Step 4: Simplify right side
    68,270.39x = 2,446,150,311.18
  5. Step 5: Solve for x
    x = 2,446,150,311.18/68,270.39
  6. Step 6: Final answer
    x = 35,830.32

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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.