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Finding the Fourth Proportional to 163,173.43, 244,939.15 and 129,654.92

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Solution

The fourth proportional to 163,173.43, 244,939.15 and 129,654.92 is: 194,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,173.43 : 244,939.15 = 129,654.92 : x
  2. Step 2: Convert to fraction form
    163,173.43/244,939.15 = 129,654.92/x
  3. Step 3: Cross multiply
    163,173.43x = 244,939.15 × 129,654.92
  4. Step 4: Simplify right side
    163,173.43x = 31,757,566,186.33
  5. Step 5: Solve for x
    x = 31,757,566,186.33/163,173.43
  6. Step 6: Final answer
    x = 194,624.61

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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.