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Finding the Fourth Proportional to 266,552.47, 367,843.15 and 159,120.20

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Solution

The fourth proportional to 266,552.47, 367,843.15 and 159,120.20 is: 219,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,552.47 : 367,843.15 = 159,120.20 : x
  2. Step 2: Convert to fraction form
    266,552.47/367,843.15 = 159,120.20/x
  3. Step 3: Cross multiply
    266,552.47x = 367,843.15 × 159,120.20
  4. Step 4: Simplify right side
    266,552.47x = 58,531,274,198.49
  5. Step 5: Solve for x
    x = 58,531,274,198.49/266,552.47
  6. Step 6: Final answer
    x = 219,586.31

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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.