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Finding the Fourth Proportional to 56,187.68, 84,269.97 and 16,734.20

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Solution

The fourth proportional to 56,187.68, 84,269.97 and 16,734.20 is: 25,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,187.68 : 84,269.97 = 16,734.20 : x
  2. Step 2: Convert to fraction form
    56,187.68/84,269.97 = 16,734.20/x
  3. Step 3: Cross multiply
    56,187.68x = 84,269.97 × 16,734.20
  4. Step 4: Simplify right side
    56,187.68x = 1,410,190,110.62
  5. Step 5: Solve for x
    x = 1,410,190,110.62/56,187.68
  6. Step 6: Final answer
    x = 25,097.85

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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.