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Finding the Fourth Proportional to 79,892.83, 119,839.09 and 46,589.53

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Solution

The fourth proportional to 79,892.83, 119,839.09 and 46,589.53 is: 69,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,892.83 : 119,839.09 = 46,589.53 : x
  2. Step 2: Convert to fraction form
    79,892.83/119,839.09 = 46,589.53/x
  3. Step 3: Cross multiply
    79,892.83x = 119,839.09 × 46,589.53
  4. Step 4: Simplify right side
    79,892.83x = 5,583,246,878.73
  5. Step 5: Solve for x
    x = 5,583,246,878.73/79,892.83
  6. Step 6: Final answer
    x = 69,884.20

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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.