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Finding the Fourth Proportional to 69,165.30, 103,749.96 and 27,043.68

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Solution

The fourth proportional to 69,165.30, 103,749.96 and 27,043.68 is: 40,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,165.30 : 103,749.96 = 27,043.68 : x
  2. Step 2: Convert to fraction form
    69,165.30/103,749.96 = 27,043.68/x
  3. Step 3: Cross multiply
    69,165.30x = 103,749.96 × 27,043.68
  4. Step 4: Simplify right side
    69,165.30x = 2,805,780,718.25
  5. Step 5: Solve for x
    x = 2,805,780,718.25/69,165.30
  6. Step 6: Final answer
    x = 40,566.31

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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.