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Finding the Fourth Proportional to 171,189.96, 256,734.70 and 64,496.90

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Solution

The fourth proportional to 171,189.96, 256,734.70 and 64,496.90 is: 96,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,189.96 : 256,734.70 = 64,496.90 : x
  2. Step 2: Convert to fraction form
    171,189.96/256,734.70 = 64,496.90/x
  3. Step 3: Cross multiply
    171,189.96x = 256,734.70 × 64,496.90
  4. Step 4: Simplify right side
    171,189.96x = 16,558,592,272.43
  5. Step 5: Solve for x
    x = 16,558,592,272.43/171,189.96
  6. Step 6: Final answer
    x = 96,726.42

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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.