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Finding the Fourth Proportional to 79,114.39, 118,658.79 and 29,217.98

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Solution

The fourth proportional to 79,114.39, 118,658.79 and 29,217.98 is: 43,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.39 : 118,658.79 = 29,217.98 : x
  2. Step 2: Convert to fraction form
    79,114.39/118,658.79 = 29,217.98/x
  3. Step 3: Cross multiply
    79,114.39x = 118,658.79 × 29,217.98
  4. Step 4: Simplify right side
    79,114.39x = 3,466,970,449.69
  5. Step 5: Solve for x
    x = 3,466,970,449.69/79,114.39
  6. Step 6: Final answer
    x = 43,822.25

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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.