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Finding the Fourth Proportional to 110,551.92, 165,776.04 and 40,382.16

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Solution

The fourth proportional to 110,551.92, 165,776.04 and 40,382.16 is: 60,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,551.92 : 165,776.04 = 40,382.16 : x
  2. Step 2: Convert to fraction form
    110,551.92/165,776.04 = 40,382.16/x
  3. Step 3: Cross multiply
    110,551.92x = 165,776.04 × 40,382.16
  4. Step 4: Simplify right side
    110,551.92x = 6,694,394,571.45
  5. Step 5: Solve for x
    x = 6,694,394,571.45/110,551.92
  6. Step 6: Final answer
    x = 60,554.30

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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.