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Finding the Fourth Proportional to 107,788.96, 161,757.42 and 37,668.34

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Solution

The fourth proportional to 107,788.96, 161,757.42 and 37,668.34 is: 56,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788.96 : 161,757.42 = 37,668.34 : x
  2. Step 2: Convert to fraction form
    107,788.96/161,757.42 = 37,668.34/x
  3. Step 3: Cross multiply
    107,788.96x = 161,757.42 × 37,668.34
  4. Step 4: Simplify right side
    107,788.96x = 6,093,133,494.08
  5. Step 5: Solve for x
    x = 6,093,133,494.08/107,788.96
  6. Step 6: Final answer
    x = 56,528.36

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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.