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Finding the Fourth Proportional to 68,606.46, 102,958.89 and 29,191.26

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Solution

The fourth proportional to 68,606.46, 102,958.89 and 29,191.26 is: 43,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,606.46 : 102,958.89 = 29,191.26 : x
  2. Step 2: Convert to fraction form
    68,606.46/102,958.89 = 29,191.26/x
  3. Step 3: Cross multiply
    68,606.46x = 102,958.89 × 29,191.26
  4. Step 4: Simplify right side
    68,606.46x = 3,005,499,727.30
  5. Step 5: Solve for x
    x = 3,005,499,727.30/68,606.46
  6. Step 6: Final answer
    x = 43,807.82

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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.