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Finding the Fourth Proportional to 73,763.35, 110,711.09 and 38,250.11

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Solution

The fourth proportional to 73,763.35, 110,711.09 and 38,250.11 is: 57,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,763.35 : 110,711.09 = 38,250.11 : x
  2. Step 2: Convert to fraction form
    73,763.35/110,711.09 = 38,250.11/x
  3. Step 3: Cross multiply
    73,763.35x = 110,711.09 × 38,250.11
  4. Step 4: Simplify right side
    73,763.35x = 4,234,711,370.72
  5. Step 5: Solve for x
    x = 4,234,711,370.72/73,763.35
  6. Step 6: Final answer
    x = 57,409.42

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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.