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Finding the Fourth Proportional to 68,216.40, 102,300.30 and 23,844.60

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Solution

The fourth proportional to 68,216.40, 102,300.30 and 23,844.60 is: 35,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,216.40 : 102,300.30 = 23,844.60 : x
  2. Step 2: Convert to fraction form
    68,216.40/102,300.30 = 23,844.60/x
  3. Step 3: Cross multiply
    68,216.40x = 102,300.30 × 23,844.60
  4. Step 4: Simplify right side
    68,216.40x = 2,439,309,733.38
  5. Step 5: Solve for x
    x = 2,439,309,733.38/68,216.40
  6. Step 6: Final answer
    x = 35,758.41

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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.