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Finding the Fourth Proportional to 68,446.08, 102,654 and 26,310.96

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Solution

The fourth proportional to 68,446.08, 102,654 and 26,310.96 is: 39,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,446.08 : 102,654 = 26,310.96 : x
  2. Step 2: Convert to fraction form
    68,446.08/102,654 = 26,310.96/x
  3. Step 3: Cross multiply
    68,446.08x = 102,654 × 26,310.96
  4. Step 4: Simplify right side
    68,446.08x = 2,700,925,287.84
  5. Step 5: Solve for x
    x = 2,700,925,287.84/68,446.08
  6. Step 6: Final answer
    x = 39,460.63

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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.