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Finding the Fourth Proportional to 107,788.73, 161,759.63 and 37,668.65

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Solution

The fourth proportional to 107,788.73, 161,759.63 and 37,668.65 is: 56,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788.73 : 161,759.63 = 37,668.65 : x
  2. Step 2: Convert to fraction form
    107,788.73/161,759.63 = 37,668.65/x
  3. Step 3: Cross multiply
    107,788.73x = 161,759.63 × 37,668.65
  4. Step 4: Simplify right side
    107,788.73x = 6,093,266,171.97
  5. Step 5: Solve for x
    x = 6,093,266,171.97/107,788.73
  6. Step 6: Final answer
    x = 56,529.72

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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.