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Finding the Fourth Proportional to 119,481.93, 164,888.34 and 65,770.29

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Solution

The fourth proportional to 119,481.93, 164,888.34 and 65,770.29 is: 90,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,481.93 : 164,888.34 = 65,770.29 : x
  2. Step 2: Convert to fraction form
    119,481.93/164,888.34 = 65,770.29/x
  3. Step 3: Cross multiply
    119,481.93x = 164,888.34 × 65,770.29
  4. Step 4: Simplify right side
    119,481.93x = 10,844,753,939.42
  5. Step 5: Solve for x
    x = 10,844,753,939.42/119,481.93
  6. Step 6: Final answer
    x = 90,764.80

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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.