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Finding the Fourth Proportional to 79,391.40, 119,062.01 and 26,074.59

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Solution

The fourth proportional to 79,391.40, 119,062.01 and 26,074.59 is: 39,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,391.40 : 119,062.01 = 26,074.59 : x
  2. Step 2: Convert to fraction form
    79,391.40/119,062.01 = 26,074.59/x
  3. Step 3: Cross multiply
    79,391.40x = 119,062.01 × 26,074.59
  4. Step 4: Simplify right side
    79,391.40x = 3,104,493,606.99
  5. Step 5: Solve for x
    x = 3,104,493,606.99/79,391.40
  6. Step 6: Final answer
    x = 39,103.65

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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.