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Finding the Fourth Proportional to 266,711.96, 367,889.10 and 171,067.16

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Solution

The fourth proportional to 266,711.96, 367,889.10 and 171,067.16 is: 235,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,711.96 : 367,889.10 = 171,067.16 : x
  2. Step 2: Convert to fraction form
    266,711.96/367,889.10 = 171,067.16/x
  3. Step 3: Cross multiply
    266,711.96x = 367,889.10 × 171,067.16
  4. Step 4: Simplify right side
    266,711.96x = 62,933,743,531.96
  5. Step 5: Solve for x
    x = 62,933,743,531.96/266,711.96
  6. Step 6: Final answer
    x = 235,961.46

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1.5x scale

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.