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Finding the Fourth Proportional to 181,540.60, 272,310.90 and 163,825.90

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Solution

The fourth proportional to 181,540.60, 272,310.90 and 163,825.90 is: 245,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,540.60 : 272,310.90 = 163,825.90 : x
  2. Step 2: Convert to fraction form
    181,540.60/272,310.90 = 163,825.90/x
  3. Step 3: Cross multiply
    181,540.60x = 272,310.90 × 163,825.90
  4. Step 4: Simplify right side
    181,540.60x = 44,611,578,272.31
  5. Step 5: Solve for x
    x = 44,611,578,272.31/181,540.60
  6. Step 6: Final answer
    x = 245,738.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.