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Finding the Fourth Proportional to 79,634.75, 119,402.00 and 37,489.43

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Solution

The fourth proportional to 79,634.75, 119,402.00 and 37,489.43 is: 56,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,634.75 : 119,402.00 = 37,489.43 : x
  2. Step 2: Convert to fraction form
    79,634.75/119,402.00 = 37,489.43/x
  3. Step 3: Cross multiply
    79,634.75x = 119,402.00 × 37,489.43
  4. Step 4: Simplify right side
    79,634.75x = 4,476,313,172.50
  5. Step 5: Solve for x
    x = 4,476,313,172.50/79,634.75
  6. Step 6: Final answer
    x = 56,210.55

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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.