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Finding the Fourth Proportional to 79,255.79, 118,899.22 and 29,336.30

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Solution

The fourth proportional to 79,255.79, 118,899.22 and 29,336.30 is: 44,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,255.79 : 118,899.22 = 29,336.30 : x
  2. Step 2: Convert to fraction form
    79,255.79/118,899.22 = 29,336.30/x
  3. Step 3: Cross multiply
    79,255.79x = 118,899.22 × 29,336.30
  4. Step 4: Simplify right side
    79,255.79x = 3,488,063,411.59
  5. Step 5: Solve for x
    x = 3,488,063,411.59/79,255.79
  6. Step 6: Final answer
    x = 44,010.21

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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.