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Finding the Fourth Proportional to 252,817.87, 379,337.45 and 119,793.07

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Solution

The fourth proportional to 252,817.87, 379,337.45 and 119,793.07 is: 179,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,817.87 : 379,337.45 = 119,793.07 : x
  2. Step 2: Convert to fraction form
    252,817.87/379,337.45 = 119,793.07/x
  3. Step 3: Cross multiply
    252,817.87x = 379,337.45 × 119,793.07
  4. Step 4: Simplify right side
    252,817.87x = 45,441,997,701.47
  5. Step 5: Solve for x
    x = 45,441,997,701.47/252,817.87
  6. Step 6: Final answer
    x = 179,742.03

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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.