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Finding the Fourth Proportional to 71,464.97, 98,605.89 and 41,243.87

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Solution

The fourth proportional to 71,464.97, 98,605.89 and 41,243.87 is: 56,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,464.97 : 98,605.89 = 41,243.87 : x
  2. Step 2: Convert to fraction form
    71,464.97/98,605.89 = 41,243.87/x
  3. Step 3: Cross multiply
    71,464.97x = 98,605.89 × 41,243.87
  4. Step 4: Simplify right side
    71,464.97x = 4,066,888,302.17
  5. Step 5: Solve for x
    x = 4,066,888,302.17/71,464.97
  6. Step 6: Final answer
    x = 56,907.44

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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.