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Finding the Fourth Proportional to 71,674.68, 98,896.62 and 41,860.92

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Solution

The fourth proportional to 71,674.68, 98,896.62 and 41,860.92 is: 57,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,674.68 : 98,896.62 = 41,860.92 : x
  2. Step 2: Convert to fraction form
    71,674.68/98,896.62 = 41,860.92/x
  3. Step 3: Cross multiply
    71,674.68x = 98,896.62 × 41,860.92
  4. Step 4: Simplify right side
    71,674.68x = 4,139,903,498.09
  5. Step 5: Solve for x
    x = 4,139,903,498.09/71,674.68
  6. Step 6: Final answer
    x = 57,759.64

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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.