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Finding the Fourth Proportional to 168,876, 233,028.63 and 97,279.29

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Solution

The fourth proportional to 168,876, 233,028.63 and 97,279.29 is: 134,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,876 : 233,028.63 = 97,279.29 : x
  2. Step 2: Convert to fraction form
    168,876/233,028.63 = 97,279.29/x
  3. Step 3: Cross multiply
    168,876x = 233,028.63 × 97,279.29
  4. Step 4: Simplify right side
    168,876x = 22,668,859,676.07
  5. Step 5: Solve for x
    x = 22,668,859,676.07/168,876
  6. Step 6: Final answer
    x = 134,233.76

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Why These Related Problems?

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