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Finding the Fourth Proportional to 68,629.34, 102,955.62 and 23,648.96

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Solution

The fourth proportional to 68,629.34, 102,955.62 and 23,648.96 is: 35,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,629.34 : 102,955.62 = 23,648.96 : x
  2. Step 2: Convert to fraction form
    68,629.34/102,955.62 = 23,648.96/x
  3. Step 3: Cross multiply
    68,629.34x = 102,955.62 × 23,648.96
  4. Step 4: Simplify right side
    68,629.34x = 2,434,793,339.16
  5. Step 5: Solve for x
    x = 2,434,793,339.16/68,629.34
  6. Step 6: Final answer
    x = 35,477.44

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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.