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Finding the Fourth Proportional to 266,953.70, 400,198.08 and 109,081.46

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Solution

The fourth proportional to 266,953.70, 400,198.08 and 109,081.46 is: 163,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,953.70 : 400,198.08 = 109,081.46 : x
  2. Step 2: Convert to fraction form
    266,953.70/400,198.08 = 109,081.46/x
  3. Step 3: Cross multiply
    266,953.70x = 400,198.08 × 109,081.46
  4. Step 4: Simplify right side
    266,953.70x = 43,654,190,855.60
  5. Step 5: Solve for x
    x = 43,654,190,855.60/266,953.70
  6. Step 6: Final answer
    x = 163,527.20

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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.