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Finding the Fourth Proportional to 112,167.65, 168,252.53 and 33,281.89

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Solution

The fourth proportional to 112,167.65, 168,252.53 and 33,281.89 is: 49,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,167.65 : 168,252.53 = 33,281.89 : x
  2. Step 2: Convert to fraction form
    112,167.65/168,252.53 = 33,281.89/x
  3. Step 3: Cross multiply
    112,167.65x = 168,252.53 × 33,281.89
  4. Step 4: Simplify right side
    112,167.65x = 5,599,761,608.64
  5. Step 5: Solve for x
    x = 5,599,761,608.64/112,167.65
  6. Step 6: Final answer
    x = 49,923.14

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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.