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Finding the Fourth Proportional to 68,294.43, 102,451.01 and 23,303.72

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Solution

The fourth proportional to 68,294.43, 102,451.01 and 23,303.72 is: 34,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,294.43 : 102,451.01 = 23,303.72 : x
  2. Step 2: Convert to fraction form
    68,294.43/102,451.01 = 23,303.72/x
  3. Step 3: Cross multiply
    68,294.43x = 102,451.01 × 23,303.72
  4. Step 4: Simplify right side
    68,294.43x = 2,387,489,790.37
  5. Step 5: Solve for x
    x = 2,387,489,790.37/68,294.43
  6. Step 6: Final answer
    x = 34,958.78

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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.