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Finding the Fourth Proportional to 266,914.56, 400,374.48 and 109,035.12

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Solution

The fourth proportional to 266,914.56, 400,374.48 and 109,035.12 is: 163,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,914.56 : 400,374.48 = 109,035.12 : x
  2. Step 2: Convert to fraction form
    266,914.56/400,374.48 = 109,035.12/x
  3. Step 3: Cross multiply
    266,914.56x = 400,374.48 × 109,035.12
  4. Step 4: Simplify right side
    266,914.56x = 43,654,879,471.74
  5. Step 5: Solve for x
    x = 43,654,879,471.74/266,914.56
  6. Step 6: Final answer
    x = 163,553.76

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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.