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Finding the Fourth Proportional to 79,793.20, 119,711.98 and 34,818.48

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Solution

The fourth proportional to 79,793.20, 119,711.98 and 34,818.48 is: 52,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.20 : 119,711.98 = 34,818.48 : x
  2. Step 2: Convert to fraction form
    79,793.20/119,711.98 = 34,818.48/x
  3. Step 3: Cross multiply
    79,793.20x = 119,711.98 × 34,818.48
  4. Step 4: Simplify right side
    79,793.20x = 4,168,189,181.39
  5. Step 5: Solve for x
    x = 4,168,189,181.39/79,793.20
  6. Step 6: Final answer
    x = 52,237.40

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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.