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Finding the Fourth Proportional to 193,375.60, 290,711.40 and 167,714.80

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Solution

The fourth proportional to 193,375.60, 290,711.40 and 167,714.80 is: 252,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,375.60 : 290,711.40 = 167,714.80 : x
  2. Step 2: Convert to fraction form
    193,375.60/290,711.40 = 167,714.80/x
  3. Step 3: Cross multiply
    193,375.60x = 290,711.40 × 167,714.80
  4. Step 4: Simplify right side
    193,375.60x = 48,756,604,308.72
  5. Step 5: Solve for x
    x = 48,756,604,308.72/193,375.60
  6. Step 6: Final answer
    x = 252,134.21

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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.