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Finding the Fourth Proportional to 112,169.65, 168,255.53 and 33,283.89

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Solution

The fourth proportional to 112,169.65, 168,255.53 and 33,283.89 is: 49,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,169.65 : 168,255.53 = 33,283.89 : x
  2. Step 2: Convert to fraction form
    112,169.65/168,255.53 = 33,283.89/x
  3. Step 3: Cross multiply
    112,169.65x = 168,255.53 × 33,283.89
  4. Step 4: Simplify right side
    112,169.65x = 5,600,198,552.41
  5. Step 5: Solve for x
    x = 5,600,198,552.41/112,169.65
  6. Step 6: Final answer
    x = 49,926.15

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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.