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Finding the Fourth Proportional to 68,230.50, 102,345 and 26,677.14

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Solution

The fourth proportional to 68,230.50, 102,345 and 26,677.14 is: 40,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.50 : 102,345 = 26,677.14 : x
  2. Step 2: Convert to fraction form
    68,230.50/102,345 = 26,677.14/x
  3. Step 3: Cross multiply
    68,230.50x = 102,345 × 26,677.14
  4. Step 4: Simplify right side
    68,230.50x = 2,730,271,893.30
  5. Step 5: Solve for x
    x = 2,730,271,893.30/68,230.50
  6. Step 6: Final answer
    x = 40,015.42

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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.