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Finding the Fourth Proportional to 79,299.48, 118,949.10 and 43,759.08

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Solution

The fourth proportional to 79,299.48, 118,949.10 and 43,759.08 is: 65,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,299.48 : 118,949.10 = 43,759.08 : x
  2. Step 2: Convert to fraction form
    79,299.48/118,949.10 = 43,759.08/x
  3. Step 3: Cross multiply
    79,299.48x = 118,949.10 × 43,759.08
  4. Step 4: Simplify right side
    79,299.48x = 5,205,103,182.83
  5. Step 5: Solve for x
    x = 5,205,103,182.83/79,299.48
  6. Step 6: Final answer
    x = 65,638.55

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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.