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Finding the Fourth Proportional to 266,489.55, 367,793.09 and 169,662.48

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Solution

The fourth proportional to 266,489.55, 367,793.09 and 169,662.48 is: 234,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,489.55 : 367,793.09 = 169,662.48 : x
  2. Step 2: Convert to fraction form
    266,489.55/367,793.09 = 169,662.48/x
  3. Step 3: Cross multiply
    266,489.55x = 367,793.09 × 169,662.48
  4. Step 4: Simplify right side
    266,489.55x = 62,400,687,776.26
  5. Step 5: Solve for x
    x = 62,400,687,776.26/266,489.55
  6. Step 6: Final answer
    x = 234,158.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.