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Finding the Fourth Proportional to 171,635.84, 236,773.31 and 148,942.98

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Solution

The fourth proportional to 171,635.84, 236,773.31 and 148,942.98 is: 205,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,635.84 : 236,773.31 = 148,942.98 : x
  2. Step 2: Convert to fraction form
    171,635.84/236,773.31 = 148,942.98/x
  3. Step 3: Cross multiply
    171,635.84x = 236,773.31 × 148,942.98
  4. Step 4: Simplify right side
    171,635.84x = 35,265,722,375.86
  5. Step 5: Solve for x
    x = 35,265,722,375.86/171,635.84
  6. Step 6: Final answer
    x = 205,468.29

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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.