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Finding the Fourth Proportional to 71,375.30, 107,064.66 and 23,991.08

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Solution

The fourth proportional to 71,375.30, 107,064.66 and 23,991.08 is: 35,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,375.30 : 107,064.66 = 23,991.08 : x
  2. Step 2: Convert to fraction form
    71,375.30/107,064.66 = 23,991.08/x
  3. Step 3: Cross multiply
    71,375.30x = 107,064.66 × 23,991.08
  4. Step 4: Simplify right side
    71,375.30x = 2,568,596,823.23
  5. Step 5: Solve for x
    x = 2,568,596,823.23/71,375.30
  6. Step 6: Final answer
    x = 35,987.19

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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.