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Finding the Fourth Proportional to 71,273.39, 106,992.90 and 41,712.44

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Solution

The fourth proportional to 71,273.39, 106,992.90 and 41,712.44 is: 62,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,273.39 : 106,992.90 = 41,712.44 : x
  2. Step 2: Convert to fraction form
    71,273.39/106,992.90 = 41,712.44/x
  3. Step 3: Cross multiply
    71,273.39x = 106,992.90 × 41,712.44
  4. Step 4: Simplify right side
    71,273.39x = 4,462,934,386.71
  5. Step 5: Solve for x
    x = 4,462,934,386.71/71,273.39
  6. Step 6: Final answer
    x = 62,617.12

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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.