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Finding the Fourth Proportional to 110,674.33, 165,912.88 and 40,537.24

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Solution

The fourth proportional to 110,674.33, 165,912.88 and 40,537.24 is: 60,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,674.33 : 165,912.88 = 40,537.24 : x
  2. Step 2: Convert to fraction form
    110,674.33/165,912.88 = 40,537.24/x
  3. Step 3: Cross multiply
    110,674.33x = 165,912.88 × 40,537.24
  4. Step 4: Simplify right side
    110,674.33x = 6,725,650,235.65
  5. Step 5: Solve for x
    x = 6,725,650,235.65/110,674.33
  6. Step 6: Final answer
    x = 60,769.74

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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.