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Finding the Fourth Proportional to 241,939.87, 362,969.34 and 84,169.69

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Solution

The fourth proportional to 241,939.87, 362,969.34 and 84,169.69 is: 126,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,939.87 : 362,969.34 = 84,169.69 : x
  2. Step 2: Convert to fraction form
    241,939.87/362,969.34 = 84,169.69/x
  3. Step 3: Cross multiply
    241,939.87x = 362,969.34 × 84,169.69
  4. Step 4: Simplify right side
    241,939.87x = 30,551,016,827.30
  5. Step 5: Solve for x
    x = 30,551,016,827.30/241,939.87
  6. Step 6: Final answer
    x = 126,275.25

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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.