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Finding the Fourth Proportional to 179,805.67, 248,135.22 and 99,231.46

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Solution

The fourth proportional to 179,805.67, 248,135.22 and 99,231.46 is: 136,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,805.67 : 248,135.22 = 99,231.46 : x
  2. Step 2: Convert to fraction form
    179,805.67/248,135.22 = 99,231.46/x
  3. Step 3: Cross multiply
    179,805.67x = 248,135.22 × 99,231.46
  4. Step 4: Simplify right side
    179,805.67x = 24,622,819,537.68
  5. Step 5: Solve for x
    x = 24,622,819,537.68/179,805.67
  6. Step 6: Final answer
    x = 136,941.29

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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.