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Finding the Fourth Proportional to 108,345.87, 162,532.62 and 41,805

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Solution

The fourth proportional to 108,345.87, 162,532.62 and 41,805 is: 62,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,345.87 : 162,532.62 = 41,805 : x
  2. Step 2: Convert to fraction form
    108,345.87/162,532.62 = 41,805/x
  3. Step 3: Cross multiply
    108,345.87x = 162,532.62 × 41,805
  4. Step 4: Simplify right side
    108,345.87x = 6,794,676,179.10
  5. Step 5: Solve for x
    x = 6,794,676,179.10/108,345.87
  6. Step 6: Final answer
    x = 62,712.83

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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.