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Finding the Fourth Proportional to 79,165.80, 118,583.10 and 37,081.80

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Solution

The fourth proportional to 79,165.80, 118,583.10 and 37,081.80 is: 55,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,165.80 : 118,583.10 = 37,081.80 : x
  2. Step 2: Convert to fraction form
    79,165.80/118,583.10 = 37,081.80/x
  3. Step 3: Cross multiply
    79,165.80x = 118,583.10 × 37,081.80
  4. Step 4: Simplify right side
    79,165.80x = 4,397,274,797.58
  5. Step 5: Solve for x
    x = 4,397,274,797.58/79,165.80
  6. Step 6: Final answer
    x = 55,545.13

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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.