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Finding the Fourth Proportional to 79,166.80, 118,836.60 and 44,174.80

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Solution

The fourth proportional to 79,166.80, 118,836.60 and 44,174.80 is: 66,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.80 : 118,836.60 = 44,174.80 : x
  2. Step 2: Convert to fraction form
    79,166.80/118,836.60 = 44,174.80/x
  3. Step 3: Cross multiply
    79,166.80x = 118,836.60 × 44,174.80
  4. Step 4: Simplify right side
    79,166.80x = 5,249,583,037.68
  5. Step 5: Solve for x
    x = 5,249,583,037.68/79,166.80
  6. Step 6: Final answer
    x = 66,310.41

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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.