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Finding the Fourth Proportional to 79,618.56, 119,448.49 and 23,460.65

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Solution

The fourth proportional to 79,618.56, 119,448.49 and 23,460.65 is: 35,197.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,618.56 : 119,448.49 = 23,460.65 : x
  2. Step 2: Convert to fraction form
    79,618.56/119,448.49 = 23,460.65/x
  3. Step 3: Cross multiply
    79,618.56x = 119,448.49 × 23,460.65
  4. Step 4: Simplify right side
    79,618.56x = 2,802,339,216.92
  5. Step 5: Solve for x
    x = 2,802,339,216.92/79,618.56
  6. Step 6: Final answer
    x = 35,197.06

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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.