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Finding the Fourth Proportional to 108,296.80, 162,382.86 and 41,728.37

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Solution

The fourth proportional to 108,296.80, 162,382.86 and 41,728.37 is: 62,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,296.80 : 162,382.86 = 41,728.37 : x
  2. Step 2: Convert to fraction form
    108,296.80/162,382.86 = 41,728.37/x
  3. Step 3: Cross multiply
    108,296.80x = 162,382.86 × 41,728.37
  4. Step 4: Simplify right side
    108,296.80x = 6,775,971,251.82
  5. Step 5: Solve for x
    x = 6,775,971,251.82/108,296.80
  6. Step 6: Final answer
    x = 62,568.53

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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.