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Finding the Fourth Proportional to 43,166.88, 64,723.32 and 18,194.04

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Solution

The fourth proportional to 43,166.88, 64,723.32 and 18,194.04 is: 27,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,166.88 : 64,723.32 = 18,194.04 : x
  2. Step 2: Convert to fraction form
    43,166.88/64,723.32 = 18,194.04/x
  3. Step 3: Cross multiply
    43,166.88x = 64,723.32 × 18,194.04
  4. Step 4: Simplify right side
    43,166.88x = 1,177,578,673.01
  5. Step 5: Solve for x
    x = 1,177,578,673.01/43,166.88
  6. Step 6: Final answer
    x = 27,279.68

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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.