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Finding the Fourth Proportional to 182,449.52, 251,549.88 and 155,198.96

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Solution

The fourth proportional to 182,449.52, 251,549.88 and 155,198.96 is: 213,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,449.52 : 251,549.88 = 155,198.96 : x
  2. Step 2: Convert to fraction form
    182,449.52/251,549.88 = 155,198.96/x
  3. Step 3: Cross multiply
    182,449.52x = 251,549.88 × 155,198.96
  4. Step 4: Simplify right side
    182,449.52x = 39,040,279,764.12
  5. Step 5: Solve for x
    x = 39,040,279,764.12/182,449.52
  6. Step 6: Final answer
    x = 213,978.53

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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.