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Finding the Fourth Proportional to 126,676.26, 174,780.44 and 75,668.12

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Solution

The fourth proportional to 126,676.26, 174,780.44 and 75,668.12 is: 104,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,676.26 : 174,780.44 = 75,668.12 : x
  2. Step 2: Convert to fraction form
    126,676.26/174,780.44 = 75,668.12/x
  3. Step 3: Cross multiply
    126,676.26x = 174,780.44 × 75,668.12
  4. Step 4: Simplify right side
    126,676.26x = 13,225,307,307.57
  5. Step 5: Solve for x
    x = 13,225,307,307.57/126,676.26
  6. Step 6: Final answer
    x = 104,402.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.