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Finding the Fourth Proportional to 79,245.87, 118,887.23 and 23,091.94

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Solution

The fourth proportional to 79,245.87, 118,887.23 and 23,091.94 is: 34,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,245.87 : 118,887.23 = 23,091.94 : x
  2. Step 2: Convert to fraction form
    79,245.87/118,887.23 = 23,091.94/x
  3. Step 3: Cross multiply
    79,245.87x = 118,887.23 × 23,091.94
  4. Step 4: Simplify right side
    79,245.87x = 2,745,336,781.93
  5. Step 5: Solve for x
    x = 2,745,336,781.93/79,245.87
  6. Step 6: Final answer
    x = 34,643.28

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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.