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Finding the Fourth Proportional to 79,114.94, 118,634.04 and 29,218.54

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Solution

The fourth proportional to 79,114.94, 118,634.04 and 29,218.54 is: 43,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.94 : 118,634.04 = 29,218.54 : x
  2. Step 2: Convert to fraction form
    79,114.94/118,634.04 = 29,218.54/x
  3. Step 3: Cross multiply
    79,114.94x = 118,634.04 × 29,218.54
  4. Step 4: Simplify right side
    79,114.94x = 3,466,313,443.10
  5. Step 5: Solve for x
    x = 3,466,313,443.10/79,114.94
  6. Step 6: Final answer
    x = 43,813.64

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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.