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Finding the Fourth Proportional to 73,556.66, 101,505.19 and 41,724.87

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Solution

The fourth proportional to 73,556.66, 101,505.19 and 41,724.87 is: 57,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,556.66 : 101,505.19 = 41,724.87 : x
  2. Step 2: Convert to fraction form
    73,556.66/101,505.19 = 41,724.87/x
  3. Step 3: Cross multiply
    73,556.66x = 101,505.19 × 41,724.87
  4. Step 4: Simplify right side
    73,556.66x = 4,235,290,857.08
  5. Step 5: Solve for x
    x = 4,235,290,857.08/73,556.66
  6. Step 6: Final answer
    x = 57,578.62

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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.