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Finding the Fourth Proportional to 79,243.88, 118,884.24 and 23,085.32

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Solution

The fourth proportional to 79,243.88, 118,884.24 and 23,085.32 is: 34,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,243.88 : 118,884.24 = 23,085.32 : x
  2. Step 2: Convert to fraction form
    79,243.88/118,884.24 = 23,085.32/x
  3. Step 3: Cross multiply
    79,243.88x = 118,884.24 × 23,085.32
  4. Step 4: Simplify right side
    79,243.88x = 2,744,480,723.36
  5. Step 5: Solve for x
    x = 2,744,480,723.36/79,243.88
  6. Step 6: Final answer
    x = 34,633.35

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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.