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Finding the Fourth Proportional to 80,317.92, 110,837.43 and 44,507.82

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Solution

The fourth proportional to 80,317.92, 110,837.43 and 44,507.82 is: 61,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,317.92 : 110,837.43 = 44,507.82 : x
  2. Step 2: Convert to fraction form
    80,317.92/110,837.43 = 44,507.82/x
  3. Step 3: Cross multiply
    80,317.92x = 110,837.43 × 44,507.82
  4. Step 4: Simplify right side
    80,317.92x = 4,933,132,383.70
  5. Step 5: Solve for x
    x = 4,933,132,383.70/80,317.92
  6. Step 6: Final answer
    x = 61,420.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.