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Finding the Fourth Proportional to 266,846.90, 400,268.12 and 108,964.62

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Solution

The fourth proportional to 266,846.90, 400,268.12 and 108,964.62 is: 163,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,846.90 : 400,268.12 = 108,964.62 : x
  2. Step 2: Convert to fraction form
    266,846.90/400,268.12 = 108,964.62/x
  3. Step 3: Cross multiply
    266,846.90x = 400,268.12 × 108,964.62
  4. Step 4: Simplify right side
    266,846.90x = 43,615,063,593.91
  5. Step 5: Solve for x
    x = 43,615,063,593.91/266,846.90
  6. Step 6: Final answer
    x = 163,446.02

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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.