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Finding the Fourth Proportional to 79,363.40, 118,850.70 and 37,761.80

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Solution

The fourth proportional to 79,363.40, 118,850.70 and 37,761.80 is: 56,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,363.40 : 118,850.70 = 37,761.80 : x
  2. Step 2: Convert to fraction form
    79,363.40/118,850.70 = 37,761.80/x
  3. Step 3: Cross multiply
    79,363.40x = 118,850.70 × 37,761.80
  4. Step 4: Simplify right side
    79,363.40x = 4,488,016,363.26
  5. Step 5: Solve for x
    x = 4,488,016,363.26/79,363.40
  6. Step 6: Final answer
    x = 56,550.20

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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.