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Finding the Fourth Proportional to 79,303.52, 118,965 and 37,161.92

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Solution

The fourth proportional to 79,303.52, 118,965 and 37,161.92 is: 55,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,303.52 : 118,965 = 37,161.92 : x
  2. Step 2: Convert to fraction form
    79,303.52/118,965 = 37,161.92/x
  3. Step 3: Cross multiply
    79,303.52x = 118,965 × 37,161.92
  4. Step 4: Simplify right side
    79,303.52x = 4,420,967,812.80
  5. Step 5: Solve for x
    x = 4,420,967,812.80/79,303.52
  6. Step 6: Final answer
    x = 55,747.43

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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.