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Finding the Fourth Proportional to 71,773.48, 107,647.26 and 25,039.72

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Solution

The fourth proportional to 71,773.48, 107,647.26 and 25,039.72 is: 37,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,773.48 : 107,647.26 = 25,039.72 : x
  2. Step 2: Convert to fraction form
    71,773.48/107,647.26 = 25,039.72/x
  3. Step 3: Cross multiply
    71,773.48x = 107,647.26 × 25,039.72
  4. Step 4: Simplify right side
    71,773.48x = 2,695,457,249.17
  5. Step 5: Solve for x
    x = 2,695,457,249.17/71,773.48
  6. Step 6: Final answer
    x = 37,555.06

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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.