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Finding the Fourth Proportional to 238,672.61, 329,369.37 and 131,249.60

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Solution

The fourth proportional to 238,672.61, 329,369.37 and 131,249.60 is: 181,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,672.61 : 329,369.37 = 131,249.60 : x
  2. Step 2: Convert to fraction form
    238,672.61/329,369.37 = 131,249.60/x
  3. Step 3: Cross multiply
    238,672.61x = 329,369.37 × 131,249.60
  4. Step 4: Simplify right side
    238,672.61x = 43,229,597,899.13
  5. Step 5: Solve for x
    x = 43,229,597,899.13/238,672.61
  6. Step 6: Final answer
    x = 181,125.09

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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.